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{ "shards": [ { "bot_dimensions": [ { "key": "caches", "value": [ "builder_7f3ebc94cf0f34cbce1744db6f73c42b78d3545c65fcc3e77a73320b5bf60fce_v2", "builder_a5c7d2c90596f39b3a0e19b8b668a1562b3a839b4cdf9bf8660761d66b060b81_v2", "builder_bfd61ba0e68064482b0179e9bdd95f1820c02f1d0bad1d3e9148dadaaae9c205_v2", "builder_cdfb7e4c0be45bc1d321702c4190674b9bda32c6c4e50f46ac29be7962cacf17_v2", "builder_f9219a911dfbeb4ff836ddef0b336af22f54bd9ecdbeeae68c2671e10bb80306_v2", "git", "goma_v2", "swarming_module_cache_vpython", "vpython" ] }, { "key": "cores", "value": [ "8" ] }, { "key": "cpu", "value": [ "x86", "x86-64", "x86-64-Haswell_GCE", "x86-64-avx2" ] }, { "key": "gce", "value": [ "1" ] }, { "key": "gpu", "value": [ "none" ] }, { "key": "id", "value": [ "trusty-dart-68765ebb-us-central1-b-cqqm" ] }, { "key": "image", "value": [ "chrome-trusty-18091700-38cc06ee3ee" ] }, { "key": "inside_docker", "value": [ "0" ] }, { "key": "kvm", "value": [ "1" ] }, { "key": "machine_type", "value": [ "n1-standard-8" ] }, { "key": "os", "value": [ "Linux", "Ubuntu", "Ubuntu-14.04" ] }, { "key": "pool", "value": [ "dart.tests", "luci.dart.try" ] }, { "key": "python", "value": [ "2.7.6" ] }, { "key": "server_version", "value": [ "4209-02e057f" ] }, { "key": "zone", "value": [ "us", "us-central", "us-central1", "us-central1-b" ] } ], "bot_id": "trusty-dart-68765ebb-us-central1-b-cqqm", "bot_version": "cc3f21a99372a4ce430aa70615b75e6c079528a98abd4863694ea7f5c257db6e", "cipd_pins": { "client_package": { "package_name": "infra/tools/cipd/linux-amd64", "version": "nFftZl2kFquaI2EUmPGwzbc5sIbCocl9L55UeASqlLsC" }, "packages": [ { "package_name": "infra/python/cpython/linux-amd64", "path": ".swarming_module", "version": "46c0c897ca0f053799ee41fd148bb7a47232df47" }, { "package_name": "infra/tools/luci/logdog/butler/linux-amd64", "path": ".swarming_module", "version": "2737ea8ed9b958f4d5aa9ffe106115a649ada241" }, { "package_name": "infra/tools/luci/vpython-native/linux-amd64", "path": ".swarming_module", "version": "OAXVAmcUSrvDygYUrCDzv20LRono9938YOHPu0zKowgC" }, { "package_name": "infra/tools/luci/vpython/linux-amd64", "path": ".swarming_module", "version": "ucaOciwAE9aweCUDOrmSvyiwrjmbywuB0NzAGUXIHjAC" }, { "package_name": "dart/dart-sdk/linux-amd64", "path": "tools/sdks", "version": "0mif3p5VDiK4NB-FSkD7AjBGlVerWGUqnp0CptV-yoIC" } ] }, "completed_ts": "2019-03-19T21:52:56.384621", "costs_usd": [ 0.0057880487896931525 ], "created_ts": "2019-03-19T21:52:03.569407", "duration": 20.84441900253296, "modified_ts": "2019-03-19T21:52:56.384621", "name": "dart2js tests_shard_1/Linux/c8b2f124c7/dart2js-minified-strong-linux-x64-d8-dev/40", "output": "tools/testing/dart/main.dart:1: Warning: Interpreting this as package URI, 'package:test_dart/main.dart'.\nWarning: default selectors does not contain observatory_ui\nTest configuration:\n dart2js-minified-linux-d8(architecture: x64, compiler: dart2js, mode: release, runtime: d8, system: linux, vm-options: [], dart2js-options: [], timeout: null, minified, preview-dart-2, use-sdk)\nSuites tested: corelib_2, language_2, lib_2\nTotal: 23 tests\n * 0 tests will be skipped (0 skipped by design)\n * 0 tests are expected to be flaky but not crash\n * 0 tests are expected to flaky crash\n * 23 tests are expected to pass\n * 0 tests are expected to fail that we won't fix\n * 0 tests are expected to fail that we should fix\n * 0 tests are expected to crash that we should fix\n * 0 tests are allowed to timeout\n * 0 could not be categorized or are in multiple categories\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/map_set_ambiguity_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 01.000736s):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/map_set_ambiguity_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_map_set_ambiguity_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/map_set_ambiguity_test.dart:65:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testTopDownInference() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::Map<dart.core::int, dart.core::int> #t1 = <dart.core::int, dart.core::int>{};\n for (final dart.core::MapEntry<dart.core::int, dart.core::int> #t2 in (untypedMap as{TypeError} dart.core::Map<dynamic, dynamic>).{dart.core::Map::entries})\n #t1.{dart.core::Map::[]=}(#t2.{dart.core::MapEntry::key}, #t2.{dart.core::MapEntry::value});\n} =>#t1 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder._handleVariableDeclaration (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:257:5)\n#7 ScopeModelBuilder.visitVariableDeclaration (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:262:5)\n#8 VariableDeclaration.accept (package:kernel/ast.dart:4587:35)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#11 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#12 Block.accept (package:kernel/ast.dart:3881:35)\n#13 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#14 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#15 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#18 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#19 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#20 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#21 Procedure.accept (package:kernel/ast.dart:1773:32)\n#22 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#23 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#24 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#25 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#26 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#27 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#28 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#29 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#30 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#31 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#32 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#33 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#34 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#35 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#36 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#37 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#38 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#39 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#40 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#41 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#42 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#45 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#46 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#47 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#48 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#49 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#50 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#51 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#52 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#53 new Future.sync (dart:async/future.dart:224:31)\n#54 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#55 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#56 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#57 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#58 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#59 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#60 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#61 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#62 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#63 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#64 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#65 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#66 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#67 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/map_set_ambiguity_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/spread_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 01.000946s):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/spread_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_spread_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/spread_test.dart:201:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testCastFailures() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::List<dart.core::int> #t1 = <dart.core::int>[];\n for (final dart.core::int #t2 in nonIterable as{TypeError} dart.core::Iterable<dynamic>)\n #t1.{dart.core::List::add}(#t2);\n} =>#t1 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitReturnStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:968:5)\n#7 ReturnStatement.accept (package:kernel/ast.dart:4302:35)\n#8 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#9 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#10 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#11 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#12 ScopeModelBuilder.visitFunctionExpression.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:584:9)\n#13 _ScopeModelBuilder&Visitor&VariableCollectorMixin.visitInVariableScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:109:6)\n#14 ScopeModelBuilder.visitFunctionExpression.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:583:7)\n#15 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#16 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#17 ScopeModelBuilder.visitFunctionExpression (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:582:5)\n#18 FunctionExpression.accept (package:kernel/ast.dart:3689:36)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#21 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#22 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#23 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#24 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#25 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#26 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#27 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#28 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#29 Block.accept (package:kernel/ast.dart:3881:35)\n#30 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#31 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#32 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#33 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#34 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#35 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#36 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#37 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#38 Procedure.accept (package:kernel/ast.dart:1773:32)\n#39 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#40 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#41 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#42 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#43 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#44 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#45 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#46 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#47 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#48 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#49 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#52 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#53 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#54 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#55 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#56 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#57 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#58 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#59 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#60 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#61 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#62 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#63 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#64 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#65 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#66 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#67 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#68 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#69 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#70 new Future.sync (dart:async/future.dart:224:31)\n#71 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#72 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#73 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#74 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#75 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#76 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#77 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#78 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#79 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#80 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#81 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#82 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#83 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#84 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/spread_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/syntax_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 02.000039s):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/syntax_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_syntax_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/syntax_test.dart:10:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid main() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::List<dynamic> #t1 = <dynamic>[];\n for (final dynamic #t2 in <dynamic>[1, 2])\n #t1.{dart.core::List::add}(#t2);\n} =>#t1 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#7 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#8 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#11 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#12 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#13 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#14 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#15 Block.accept (package:kernel/ast.dart:3881:35)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#18 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#21 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#22 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#23 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#24 Procedure.accept (package:kernel/ast.dart:1773:32)\n#25 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#26 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#27 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#28 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#29 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#30 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#31 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#32 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#33 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#34 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#35 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#36 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#37 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#38 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#39 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#40 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#41 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#42 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#45 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#46 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#47 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#48 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#49 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#52 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#53 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#54 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#55 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#56 new Future.sync (dart:async/future.dart:224:31)\n#57 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#58 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#59 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#60 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#61 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#62 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#63 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#64 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#65 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#66 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#67 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#68 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#69 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#70 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/syntax_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/const_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 762ms):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/const_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_const_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/const_test.dart:168:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testKeyOrder() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::Map<dart.core::int, dart.core::int> #t3 = <dart.core::int, dart.core::int>{};\n #t3.{dart.core::Map::[]=}(1, 1);\n #t3.{dart.core::Map::[]=}(invalid-expression \"unimplemented spread element\", null);\n #t3.{dart.core::Map::[]=}(4, 4);\n} =>#t3 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#7 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#8 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#11 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#12 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#13 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#14 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#15 Block.accept (package:kernel/ast.dart:3881:35)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#18 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#21 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#22 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#23 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#24 Procedure.accept (package:kernel/ast.dart:1773:32)\n#25 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#26 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#27 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#28 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#29 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#30 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#31 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#32 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#33 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#34 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#35 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#36 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#37 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#38 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#39 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#40 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#41 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#42 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#45 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#46 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#47 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#48 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#49 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#52 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#53 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#54 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#55 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#56 new Future.sync (dart:async/future.dart:224:31)\n#57 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#58 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#59 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#60 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#61 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#62 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#63 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#64 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#65 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#66 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#67 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#68 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#69 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#70 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/const_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/map_set_ambiguity_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 01.000014s):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/map_set_ambiguity_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_map_set_ambiguity_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/map_set_ambiguity_test.dart:65:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testTopDownInference() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::Map<dart.core::int, dart.core::int> #t3 = <dart.core::int, dart.core::int>{};\n for (final dart.core::MapEntry<dart.core::int, dart.core::int> #t4 in (untypedMap as{TypeError} dart.core::Map<dynamic, dynamic>).{dart.core::Map::entries})\n #t3.{dart.core::Map::[]=}(#t4.{dart.core::MapEntry::key}, #t4.{dart.core::MapEntry::value});\n} =>#t3 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder._handleVariableDeclaration (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:257:5)\n#7 ScopeModelBuilder.visitVariableDeclaration (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:262:5)\n#8 VariableDeclaration.accept (package:kernel/ast.dart:4587:35)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#11 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#12 Block.accept (package:kernel/ast.dart:3881:35)\n#13 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#14 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#15 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#18 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#19 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#20 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#21 Procedure.accept (package:kernel/ast.dart:1773:32)\n#22 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#23 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#24 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#25 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#26 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#27 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#28 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#29 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#30 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#31 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#32 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#33 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#34 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#35 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#36 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#37 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#38 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#39 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#40 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#41 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#42 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#45 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#46 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#47 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#48 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#49 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#50 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#51 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#52 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#53 new Future.sync (dart:async/future.dart:224:31)\n#54 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#55 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#56 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#57 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#58 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#59 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#60 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#61 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#62 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#63 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#64 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#65 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#66 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#67 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/map_set_ambiguity_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/spread_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 988ms):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/spread_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_spread_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/spread_test.dart:201:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testCastFailures() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::List<dart.core::int> #t3 = <dart.core::int>[];\n for (final dart.core::int #t4 in nonIterable as{TypeError} dart.core::Iterable<dynamic>)\n #t3.{dart.core::List::add}(#t4);\n} =>#t3 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitReturnStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:968:5)\n#7 ReturnStatement.accept (package:kernel/ast.dart:4302:35)\n#8 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#9 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#10 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#11 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#12 ScopeModelBuilder.visitFunctionExpression.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:584:9)\n#13 _ScopeModelBuilder&Visitor&VariableCollectorMixin.visitInVariableScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:109:6)\n#14 ScopeModelBuilder.visitFunctionExpression.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:583:7)\n#15 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#16 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#17 ScopeModelBuilder.visitFunctionExpression (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:582:5)\n#18 FunctionExpression.accept (package:kernel/ast.dart:3689:36)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#21 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#22 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#23 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#24 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#25 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#26 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#27 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#28 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#29 Block.accept (package:kernel/ast.dart:3881:35)\n#30 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#31 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#32 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#33 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#34 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#35 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#36 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#37 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#38 Procedure.accept (package:kernel/ast.dart:1773:32)\n#39 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#40 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#41 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#42 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#43 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#44 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#45 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#46 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#47 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#48 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#49 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#52 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#53 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#54 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#55 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#56 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#57 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#58 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#59 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#60 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#61 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#62 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#63 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#64 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#65 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#66 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#67 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#68 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#69 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#70 new Future.sync (dart:async/future.dart:224:31)\n#71 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#72 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#73 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#74 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#75 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#76 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#77 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#78 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#79 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#80 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#81 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#82 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#83 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#84 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/spread_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/syntax_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 810ms):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/syntax_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_syntax_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/syntax_test.dart:10:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid main() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::List<dynamic> #t4 = <dynamic>[];\n for (final dynamic #t5 in <dynamic>[1, 2])\n #t4.{dart.core::List::add}(#t5);\n} =>#t4 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#7 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#8 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#11 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#12 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#13 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#14 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#15 Block.accept (package:kernel/ast.dart:3881:35)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#18 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#21 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#22 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#23 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#24 Procedure.accept (package:kernel/ast.dart:1773:32)\n#25 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#26 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#27 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#28 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#29 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#30 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#31 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#32 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#33 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#34 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#35 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#36 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#37 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#38 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#39 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#40 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#41 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#42 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#45 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#46 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#47 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#48 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#49 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#52 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#53 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#54 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#55 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#56 new Future.sync (dart:async/future.dart:224:31)\n#57 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#58 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#59 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#60 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#61 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#62 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#63 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#64 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#65 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#66 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#67 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#68 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#69 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#70 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/syntax_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/const_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 771ms):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/const_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_const_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/const_test.dart:168:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testKeyOrder() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::Map<dart.core::int, dart.core::int> #t5 = <dart.core::int, dart.core::int>{};\n #t5.{dart.core::Map::[]=}(1, 1);\n #t5.{dart.core::Map::[]=}(invalid-expression \"unimplemented spread element\", null);\n #t5.{dart.core::Map::[]=}(4, 4);\n} =>#t5 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#7 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#8 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#11 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#12 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#13 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#14 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#15 Block.accept (package:kernel/ast.dart:3881:35)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#18 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#21 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#22 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#23 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#24 Procedure.accept (package:kernel/ast.dart:1773:32)\n#25 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#26 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#27 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#28 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#29 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#30 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#31 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#32 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#33 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#34 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#35 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#36 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#37 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#38 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#39 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#40 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#41 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#42 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#45 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#46 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#47 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#48 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#49 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#52 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#53 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#54 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#55 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#56 new Future.sync (dart:async/future.dart:224:31)\n#57 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#58 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#59 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#60 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#61 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#62 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#63 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#64 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#65 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#66 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#67 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#68 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#69 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#70 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/const_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/map_set_ambiguity_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 772ms):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/map_set_ambiguity_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_map_set_ambiguity_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/map_set_ambiguity_test.dart:65:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testTopDownInference() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::Map<dart.core::int, dart.core::int> #t5 = <dart.core::int, dart.core::int>{};\n for (final dart.core::MapEntry<dart.core::int, dart.core::int> #t6 in (untypedMap as{TypeError} dart.core::Map<dynamic, dynamic>).{dart.core::Map::entries})\n #t5.{dart.core::Map::[]=}(#t6.{dart.core::MapEntry::key}, #t6.{dart.core::MapEntry::value});\n} =>#t5 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder._handleVariableDeclaration (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:257:5)\n#7 ScopeModelBuilder.visitVariableDeclaration (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:262:5)\n#8 VariableDeclaration.accept (package:kernel/ast.dart:4587:35)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#11 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#12 Block.accept (package:kernel/ast.dart:3881:35)\n#13 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#14 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#15 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#18 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#19 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#20 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#21 Procedure.accept (package:kernel/ast.dart:1773:32)\n#22 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#23 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#24 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#25 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#26 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#27 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#28 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#29 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#30 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#31 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#32 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#33 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#34 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#35 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#36 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#37 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#38 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#39 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#40 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#41 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#42 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#45 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#46 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#47 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#48 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#49 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#50 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#51 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#52 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#53 new Future.sync (dart:async/future.dart:224:31)\n#54 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#55 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#56 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#57 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#58 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#59 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#60 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#61 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#62 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#63 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#64 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#65 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#66 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#67 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/map_set_ambiguity_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/spread_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 909ms):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/spread_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_spread_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/spread_test.dart:201:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testCastFailures() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::List<dart.core::int> #t6 = <dart.core::int>[];\n for (final dart.core::int #t7 in nonIterable as{TypeError} dart.core::Iterable<dynamic>)\n #t6.{dart.core::List::add}(#t7);\n} =>#t6 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitReturnStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:968:5)\n#7 ReturnStatement.accept (package:kernel/ast.dart:4302:35)\n#8 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#9 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#10 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#11 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#12 ScopeModelBuilder.visitFunctionExpression.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:584:9)\n#13 _ScopeModelBuilder&Visitor&VariableCollectorMixin.visitInVariableScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:109:6)\n#14 ScopeModelBuilder.visitFunctionExpression.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:583:7)\n#15 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#16 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#17 ScopeModelBuilder.visitFunctionExpression (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:582:5)\n#18 FunctionExpression.accept (package:kernel/ast.dart:3689:36)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#21 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#22 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#23 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#24 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#25 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#26 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#27 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#28 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#29 Block.accept (package:kernel/ast.dart:3881:35)\n#30 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#31 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#32 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#33 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#34 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#35 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#36 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#37 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#38 Procedure.accept (package:kernel/ast.dart:1773:32)\n#39 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#40 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#41 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#42 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#43 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#44 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#45 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#46 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#47 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#48 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#49 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#52 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#53 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#54 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#55 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#56 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#57 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#58 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#59 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#60 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#61 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#62 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#63 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#64 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#65 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#66 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#67 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#68 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#69 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#70 new Future.sync (dart:async/future.dart:224:31)\n#71 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#72 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#73 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#74 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#75 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#76 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#77 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#78 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#79 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#80 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#81 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#82 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#83 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#84 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/spread_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/syntax_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 01.000245s):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/syntax_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_syntax_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/syntax_test.dart:10:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid main() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::List<dynamic> #t6 = <dynamic>[];\n for (final dynamic #t7 in <dynamic>[1, 2])\n #t6.{dart.core::List::add}(#t7);\n} =>#t6 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#7 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#8 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#11 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#12 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#13 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#14 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#15 Block.accept (package:kernel/ast.dart:3881:35)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#18 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#21 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#22 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#23 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#24 Procedure.accept (package:kernel/ast.dart:1773:32)\n#25 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#26 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#27 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#28 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#29 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#30 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#31 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#32 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#33 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#34 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#35 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#36 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#37 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#38 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#39 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#40 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#41 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#42 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#45 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#46 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#47 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#48 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#49 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#52 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#53 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#54 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#55 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#56 new Future.sync (dart:async/future.dart:224:31)\n#57 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#58 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#59 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#60 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#61 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#62 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#63 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#64 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#65 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#66 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#67 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#68 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#69 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#70 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/syntax_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/const_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 01.000159s):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/const_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_const_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/const_test.dart:168:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testKeyOrder() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::Map<dart.core::int, dart.core::int> #t7 = <dart.core::int, dart.core::int>{};\n #t7.{dart.core::Map::[]=}(1, 1);\n #t7.{dart.core::Map::[]=}(invalid-expression \"unimplemented spread element\", null);\n #t7.{dart.core::Map::[]=}(4, 4);\n} =>#t7 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#7 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#8 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#11 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#12 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#13 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#14 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#15 Block.accept (package:kernel/ast.dart:3881:35)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#18 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#21 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#22 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#23 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#24 Procedure.accept (package:kernel/ast.dart:1773:32)\n#25 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#26 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#27 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#28 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#29 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#30 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#31 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#32 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#33 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#34 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#35 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#36 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#37 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#38 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#39 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#40 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#41 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#42 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#45 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#46 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#47 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#48 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#49 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#52 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#53 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#54 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#55 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#56 new Future.sync (dart:async/future.dart:224:31)\n#57 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#58 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#59 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#60 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#61 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#62 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#63 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#64 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#65 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#66 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#67 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#68 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#69 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#70 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/const_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/map_set_ambiguity_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 01.000015s):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/map_set_ambiguity_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_map_set_ambiguity_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/map_set_ambiguity_test.dart:65:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testTopDownInference() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::Map<dart.core::int, dart.core::int> #t1 = <dart.core::int, dart.core::int>{};\n for (final dart.core::MapEntry<dart.core::int, dart.core::int> #t2 in (untypedMap as{TypeError} dart.core::Map<dynamic, dynamic>).{dart.core::Map::entries})\n #t1.{dart.core::Map::[]=}(#t2.{dart.core::MapEntry::key}, #t2.{dart.core::MapEntry::value});\n} =>#t1 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder._handleVariableDeclaration (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:257:5)\n#7 ScopeModelBuilder.visitVariableDeclaration (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:262:5)\n#8 VariableDeclaration.accept (package:kernel/ast.dart:4587:35)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#11 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#12 Block.accept (package:kernel/ast.dart:3881:35)\n#13 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#14 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#15 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#18 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#19 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#20 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#21 Procedure.accept (package:kernel/ast.dart:1773:32)\n#22 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#23 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#24 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#25 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#26 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#27 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#28 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#29 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#30 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#31 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#32 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#33 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#34 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#35 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#36 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#37 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#38 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#39 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#40 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#41 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#42 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#45 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#46 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#47 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#48 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#49 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#50 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#51 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#52 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#53 new Future.sync (dart:async/future.dart:224:31)\n#54 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#55 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#56 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#57 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#58 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#59 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#60 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#61 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#62 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#63 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#64 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#65 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#66 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#67 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/map_set_ambiguity_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/spread_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 992ms):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/spread_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_spread_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/spread_test.dart:201:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testCastFailures() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::List<dart.core::int> #t1 = <dart.core::int>[];\n for (final dart.core::int #t2 in nonIterable as{TypeError} dart.core::Iterable<dynamic>)\n #t1.{dart.core::List::add}(#t2);\n} =>#t1 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitReturnStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:968:5)\n#7 ReturnStatement.accept (package:kernel/ast.dart:4302:35)\n#8 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#9 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#10 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#11 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#12 ScopeModelBuilder.visitFunctionExpression.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:584:9)\n#13 _ScopeModelBuilder&Visitor&VariableCollectorMixin.visitInVariableScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:109:6)\n#14 ScopeModelBuilder.visitFunctionExpression.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:583:7)\n#15 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#16 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#17 ScopeModelBuilder.visitFunctionExpression (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:582:5)\n#18 FunctionExpression.accept (package:kernel/ast.dart:3689:36)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#21 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#22 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#23 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#24 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#25 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#26 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#27 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#28 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#29 Block.accept (package:kernel/ast.dart:3881:35)\n#30 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#31 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#32 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#33 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#34 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#35 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#36 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#37 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#38 Procedure.accept (package:kernel/ast.dart:1773:32)\n#39 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#40 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#41 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#42 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#43 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#44 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#45 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#46 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#47 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#48 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#49 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#52 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#53 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#54 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#55 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#56 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#57 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#58 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#59 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#60 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#61 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#62 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#63 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#64 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#65 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#66 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#67 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#68 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#69 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#70 new Future.sync (dart:async/future.dart:224:31)\n#71 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#72 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#73 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#74 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#75 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#76 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#77 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#78 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#79 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#80 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#81 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#82 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#83 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#84 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/spread_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/const_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 869ms):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/const_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_const_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/const_test.dart:168:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testKeyOrder() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::Map<dart.core::int, dart.core::int> #t1 = <dart.core::int, dart.core::int>{};\n #t1.{dart.core::Map::[]=}(1, 1);\n #t1.{dart.core::Map::[]=}(invalid-expression \"unimplemented spread element\", null);\n #t1.{dart.core::Map::[]=}(4, 4);\n} =>#t1 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#7 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#8 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#11 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#12 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#13 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#14 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#15 Block.accept (package:kernel/ast.dart:3881:35)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#18 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#21 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#22 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#23 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#24 Procedure.accept (package:kernel/ast.dart:1773:32)\n#25 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#26 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#27 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#28 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#29 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#30 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#31 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#32 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#33 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#34 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#35 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#36 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#37 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#38 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#39 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#40 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#41 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#42 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#45 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#46 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#47 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#48 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#49 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#52 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#53 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#54 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#55 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#56 new Future.sync (dart:async/future.dart:224:31)\n#57 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#58 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#59 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#60 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#61 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#62 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#63 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#64 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#65 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#66 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#67 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#68 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#69 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#70 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/const_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/syntax_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 977ms):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/syntax_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_syntax_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/syntax_test.dart:10:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid main() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::List<dynamic> #t8 = <dynamic>[];\n for (final dynamic #t9 in <dynamic>[1, 2])\n #t8.{dart.core::List::add}(#t9);\n} =>#t8 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#7 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#8 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#11 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#12 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#13 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#14 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#15 Block.accept (package:kernel/ast.dart:3881:35)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#18 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#21 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#22 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#23 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#24 Procedure.accept (package:kernel/ast.dart:1773:32)\n#25 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#26 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#27 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#28 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#29 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#30 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#31 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#32 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#33 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#34 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#35 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#36 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#37 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#38 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#39 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#40 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#41 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#42 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#45 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#46 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#47 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#48 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#49 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#52 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#53 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#54 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#55 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#56 new Future.sync (dart:async/future.dart:224:31)\n#57 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#58 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#59 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#60 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#61 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#62 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#63 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#64 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#65 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#66 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#67 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#68 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#69 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#70 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/syntax_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/map_set_ambiguity_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 835ms):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/map_set_ambiguity_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_map_set_ambiguity_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/map_set_ambiguity_test.dart:65:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testTopDownInference() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::Map<dart.core::int, dart.core::int> #t3 = <dart.core::int, dart.core::int>{};\n for (final dart.core::MapEntry<dart.core::int, dart.core::int> #t4 in (untypedMap as{TypeError} dart.core::Map<dynamic, dynamic>).{dart.core::Map::entries})\n #t3.{dart.core::Map::[]=}(#t4.{dart.core::MapEntry::key}, #t4.{dart.core::MapEntry::value});\n} =>#t3 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder._handleVariableDeclaration (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:257:5)\n#7 ScopeModelBuilder.visitVariableDeclaration (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:262:5)\n#8 VariableDeclaration.accept (package:kernel/ast.dart:4587:35)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#11 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#12 Block.accept (package:kernel/ast.dart:3881:35)\n#13 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#14 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#15 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#18 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#19 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#20 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#21 Procedure.accept (package:kernel/ast.dart:1773:32)\n#22 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#23 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#24 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#25 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#26 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#27 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#28 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#29 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#30 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#31 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#32 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#33 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#34 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#35 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#36 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#37 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#38 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#39 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#40 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#41 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#42 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#45 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#46 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#47 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#48 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#49 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#50 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#51 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#52 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#53 new Future.sync (dart:async/future.dart:224:31)\n#54 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#55 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#56 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#57 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#58 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#59 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#60 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#61 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#62 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#63 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#64 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#65 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#66 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#67 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/map_set_ambiguity_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/spread_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 972ms):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/spread_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_spread_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/spread_test.dart:201:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testCastFailures() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::List<dart.core::int> #t1 = <dart.core::int>[];\n for (final dart.core::int #t2 in nonIterable as{TypeError} dart.core::Iterable<dynamic>)\n #t1.{dart.core::List::add}(#t2);\n} =>#t1 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitReturnStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:968:5)\n#7 ReturnStatement.accept (package:kernel/ast.dart:4302:35)\n#8 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#9 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#10 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#11 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#12 ScopeModelBuilder.visitFunctionExpression.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:584:9)\n#13 _ScopeModelBuilder&Visitor&VariableCollectorMixin.visitInVariableScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:109:6)\n#14 ScopeModelBuilder.visitFunctionExpression.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:583:7)\n#15 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#16 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#17 ScopeModelBuilder.visitFunctionExpression (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:582:5)\n#18 FunctionExpression.accept (package:kernel/ast.dart:3689:36)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#21 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#22 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#23 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#24 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#25 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#26 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#27 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#28 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#29 Block.accept (package:kernel/ast.dart:3881:35)\n#30 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#31 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#32 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#33 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#34 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#35 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#36 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#37 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#38 Procedure.accept (package:kernel/ast.dart:1773:32)\n#39 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#40 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#41 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#42 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#43 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#44 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#45 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#46 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#47 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#48 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#49 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#52 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#53 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#54 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#55 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#56 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#57 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#58 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#59 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#60 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#61 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#62 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#63 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#64 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#65 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#66 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#67 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#68 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#69 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#70 new Future.sync (dart:async/future.dart:224:31)\n#71 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#72 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#73 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#74 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#75 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#76 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#77 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#78 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#79 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#80 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#81 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#82 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#83 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#84 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/spread_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/const_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 612ms):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/const_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_const_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/const_test.dart:168:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid testKeyOrder() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::Map<dart.core::int, dart.core::int> #t2 = <dart.core::int, dart.core::int>{};\n #t2.{dart.core::Map::[]=}(1, 1);\n #t2.{dart.core::Map::[]=}(invalid-expression \"unimplemented spread element\", null);\n #t2.{dart.core::Map::[]=}(4, 4);\n} =>#t2 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#7 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#8 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#11 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#12 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#13 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#14 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#15 Block.accept (package:kernel/ast.dart:3881:35)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#18 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#21 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#22 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#23 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#24 Procedure.accept (package:kernel/ast.dart:1773:32)\n#25 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#26 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#27 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#28 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#29 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#30 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#31 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#32 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#33 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#34 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#35 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#36 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#37 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#38 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#39 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#40 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#41 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#42 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#45 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#46 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#47 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#48 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#49 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#52 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#53 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#54 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#55 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#56 new Future.sync (dart:async/future.dart:224:31)\n#57 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#58 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#59 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#60 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#61 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#62 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#63 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#64 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#65 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#66 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#67 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#68 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#69 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#70 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/const_test\n\n\nFAILED: dart2js-d8 release_x64 language_2/spread_collections/syntax_test\nExpected: Pass\nActual: Crash\nUnexpected compile error.\n\n--- Command \"dart2js\" (took 835ms):\nDART_CONFIGURATION=ReleaseX64 out/ReleaseX64/dart-sdk/bin/dart2js --enable-experiment=spread-collections --test-mode --minify --packages=/b/s/w/ir/.packages --preview-dart-2 /b/s/w/ir/tests/language_2/spread_collections/syntax_test.dart --out=/b/s/w/ir/out/ReleaseX64/generated_compilations/dart2js-minified-sdk/tests_language_2_spread_collections_syntax_test/out.js\n\nexit code:\n253\n\nstdout:\ntests/language_2/spread_collections/syntax_test.dart:10:6:\nInternal Error: The compiler crashed when compiling this element.\nvoid main() {\n ^\nThe compiler is broken.\n\nWhen compiling the above element, the compiler crashed. It is not\npossible to tell if this is caused by a problem in your program or\nnot. Regardless, the compiler should not crash.\n\nThe Dart team would greatly appreciate if you would take a moment to\nreport this problem at http://dartbug.com/new.\n\nPlease include the following information:\n\n* the name and version of your operating system,\n\n* the Dart SDK build number (2.2.1-dev.2.0), and\n\n* the entire message you see here (including the full stack trace\n below as well as the source location above).\n\nThe compiler crashed: Unsupported operation: Unhandled node block {\n final dart.core::List<dynamic> #t5 = <dynamic>[];\n for (final dynamic #t6 in <dynamic>[1, 2])\n #t5.{dart.core::List::add}(#t6);\n} =>#t5 (BlockExpression)\n#0 ScopeModelBuilder.defaultNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:114:7)\n#1 Visitor.defaultTreeNode (package:kernel/visitor.dart:333:39)\n#2 TreeVisitor.defaultExpression (package:kernel/visitor.dart:140:43)\n#3 TreeVisitor.visitBlockExpression (package:kernel/visitor.dart:189:51)\n#4 BlockExpression.accept (package:kernel/ast.dart:3768:36)\n#5 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#6 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#7 ScopeModelBuilder.visitStaticInvocation (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:827:5)\n#8 StaticInvocation.accept (package:kernel/ast.dart:2963:36)\n#9 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#10 ScopeModelBuilder.visitExpressionStatement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:979:5)\n#11 ExpressionStatement.accept (package:kernel/ast.dart:3853:35)\n#12 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#13 ScopeModelBuilder.visitNodes (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:123:39)\n#14 ScopeModelBuilder.visitBlock (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:953:5)\n#15 Block.accept (package:kernel/ast.dart:3881:35)\n#16 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#17 ScopeModelBuilder.visitFunctionNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:717:5)\n#18 FunctionNode.accept (package:kernel/ast.dart:2111:30)\n#19 ScopeModelBuilder.visitNode (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:117:18)\n#20 ScopeModelBuilder.visitProcedure.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:575:7)\n#21 ScopeModelBuilder.enterNewScope (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:198:18)\n#22 ScopeModelBuilder.visitInvokable (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:503:5)\n#23 ScopeModelBuilder.visitProcedure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:574:5)\n#24 Procedure.accept (package:kernel/ast.dart:1773:32)\n#25 ScopeModelBuilder.computeModel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope_visitor.dart:104:12)\n#26 new ScopeModel.from (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/ir/scope.dart:24:20)\n#27 KernelModularStrategy.getModularMemberData.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:348:31)\n#28 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#29 KernelModularStrategy.getModularMemberData (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:347:43)\n#30 KernelWorkItem.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:291:28)\n#31 CompilerTask.measure (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:62:51)\n#32 KernelWorkItem.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/kernel/kernel_strategy.dart:276:26)\n#33 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:70)\n#34 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#35 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:461:32)\n#36 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#37 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:459:28)\n#38 CompilerDiagnosticReporter.withCurrentElement (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:793:15)\n#39 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:457:18)\n#40 ResolutionEnqueuer._forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:444:12)\n#41 ResolutionEnqueuer.forEach (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/enqueue.dart:460:5)\n#42 Compiler.emptyQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:453:16)\n#43 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#44 Compiler.emptyQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:452:14)\n#45 Compiler.processQueue.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:478:7)\n#46 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#47 Compiler.processQueue (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:471:14)\n#48 Compiler.computeClosedWorld (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:332:5)\n#49 Compiler.compileFromKernel.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:400:17)\n#50 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#51 Compiler.compileFromKernel.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:399:43)\n#52 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#53 Compiler.compileFromKernel (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:398:14)\n#54 Compiler.runInternal (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:285:13)\n<asynchronous suspension>\n#55 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:38)\n#56 new Future.sync (dart:async/future.dart:224:31)\n#57 Compiler.run.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:223:20)\n#58 CompilerTask.measureSubtask (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/common/tasks.dart:177:35)\n#59 Compiler.run (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/compiler.dart:220:41)\n#60 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/s/w/ir/cache/builder/sdk/pkg/compiler/lib/src/apiimpl.dart:91:22)\n#61 _RootZone.runUnary (dart:async/zone.dart:1379:54)\n#62 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)\n#63 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)\n#64 Future._propagateToListeners (dart:async/future_impl.dart:668:32)\n#65 Future._completeWithValue (dart:async/future_impl.dart:483:5)\n#66 Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:513:7)\n#67 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)\n#68 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)\n#69 _runPendingImmediateCallback (dart:isolate/runtime/lib/isolate_patch.dart:115:13)\n#70 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:172:5)\n\n--- Re-run this test:\npython tools/test.py -n dart2js-minified-linux-d8 --dart2js-batch language_2/spread_collections/syntax_test\n\n\n--- Total time: 00:18 ---\n0:00:05.537864 - dart2js - dart2js-d8 release_x64/corelib_2/regexp/lookbehind_test/01\n0:00:05.163476 - dart2js - dart2js-d8 release_x64/corelib_2/regexp/lookbehind_test/none\n0:00:04.606333 - dart2js - dart2js-d8 release_x64/language_2/issue21957_float32x4_test\n0:00:04.393371 - dart2js - dart2js-d8 release_x64/corelib_2/string_replace_all_2_test\n0:00:04.366897 - dart2js - dart2js-d8 release_x64/corelib_2/string_replace_all_2_test\n0:00:04.338092 - dart2js - dart2js-d8 release_x64/language_2/issue21957_float64x2_test\n0:00:03.707448 - dart2js - dart2js-d8 release_x64/language_2/issue21957_float32x4_test\n0:00:03.261067 - dart2js - dart2js-d8 release_x64/corelib_2/regexp/lookbehind_test/none\n0:00:02.996374 - dart2js - dart2js-d8 release_x64/corelib_2/regexp/lookbehind_test/01\n0:00:02.827020 - dart2js - dart2js-d8 release_x64/language_2/issue21957_float64x2_test\n0:00:02.492791 - dart2js - dart2js-d8 release_x64/corelib_2/regexp/lookbehind_test/none\n0:00:02.304915 - dart2js - dart2js-d8 release_x64/corelib_2/string_replace_all_2_test\n0:00:02.304988 - dart2js - dart2js-d8 release_x64/language_2/issue21957_float32x4_test\n0:00:02.274119 - dart2js - dart2js-d8 release_x64/corelib_2/regexp/lookbehind_test/none\n0:00:02.201717 - dart2js - dart2js-d8 release_x64/corelib_2/regexp/lookbehind_test/01\n0:00:02.188215 - dart2js - dart2js-d8 release_x64/corelib_2/regexp/lookbehind_test/01\n0:00:02.084123 - dart2js - dart2js-d8 release_x64/corelib_2/string_replace_all_2_test\n0:00:02.039996 - dart2js - dart2js-d8 release_x64/language_2/spread_collections/syntax_test\n0:00:01.946995 - dart2js - dart2js-d8 release_x64/language_2/spread_collections/spread_test\n0:00:01.930065 - dart2js - dart2js-d8 release_x64/language_2/issue21957_float32x4_test\nINFO: Core dump archiving is activated\nINFO: No unexpected crashes recorded\n", "outputs_ref": { "isolated": "e122556ba7b7a5e993cb21ba88e66a444241e46b", "isolatedserver": "https://isolateserver.appspot.com", "namespace": "default-gzip" }, "run_id": "43b0c22a0423ca11", "server_versions": [ "4209-02e057f" ], "started_ts": "2019-03-19T21:52:06.961133", "state": "COMPLETED", "tags": [ "build_is_experimental:false", "buildername:dart2js-minified-strong-linux-x64-d8-dev", "buildnumber:40", "cpu:x86-64", "data:c8b2f124c7e92a1cbeac9dd88c80d6bccbf12838", "master:client.dart", "name:dart2js", "os:Linux", "pool:dart.tests", "priority:25", "service_account:none", "slavename:trusty-dart-68765ebb-us-central1-b-x7vr", "spec_name:dart.ci.sandbox:dart2js-minified-strong-linux-x64-d8-dev", "stepname:dart2js tests_shard_1", "swarming.pool.template:none", "swarming.pool.version:eac2b7dafa66f8230ab550894414af85cf3f11bc", "user:None" ], "task_id": "43b0c22a0423ca10", "try_number": "1" } ] }