[INFO] build_web_compilers|entrypoint on web/game_web.dart:Running dart2js with --dump-info --fast-startup --minify --no-frequency-based-minification --no-source-maps --show-package-warnings --trust-primitives --trust-type-annotations --packages=.package-0f968e02296f0686fc07877eae6b645a -oweb/game_web.dart.js web/game_web.dart
[SEVERE] build_web_compilers|entrypoint on web/game_web.dart:
Dart2Js finished with:
/b/build/slave/dart-sdk-mac-dev/build/sdk/sdk/lib/_internal/js_runtime/lib/isolate_helper.dart@43652+1:
Internal Error: The compiler crashed when compiling this element.
The compiler is broken.
When compiling the above element, the compiler crashed. It is not
possible to tell if this is caused by a problem in your program or
not. Regardless, the compiler should not crash.
The Dart team would greatly appreciate if you would take a moment to
report this problem at http://dartbug.com/new.
Please include the following information:
* the name and version of your operating system,
* the Dart SDK build number (2.0.0-dev.39.0), and
* the entire message you see here (including the full stack trace
below as well as the source location above).
The compiler crashed: NoSuchMethodError: Class 'JClass' has no instance getter 'superclass'.
Receiver: Instance of 'JClass'
Tried calling: superclass
#0 Object.noSuchMethod (dart:core-patch/dart:core/object_patch.dart:46)
#1 new _ConstructorBodyNamingScope.<anonymous closure> (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/js_backend/minify_namer.dart:342)
#2 _HashVMBase&MapMixin&&_LinkedHashMapMixin.putIfAbsent (dart:collection-patch/dart:collection/compact_hash.dart:277)
#3 new _ConstructorBodyNamingScope (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/js_backend/minify_namer.dart:341)
#4 Namer&_MinifiedFieldNamer&_MinifyConstructorBodyNamer.constructorBodyName (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/js_backend/minify_namer.dart:367)
#5 Namer.instanceMethodName (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/js_backend/namer.dart:790)
#6 SsaCodeGenerator.visitInvokeConstructorBody (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/ssa/codegen.dart:1771)
#7 HInvokeConstructorBody.accept (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/ssa/nodes.dart:1894)
#8 SsaCodeGenerator.visit (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/ssa/codegen.dart:711)
#9 SsaCodeGenerator.visitStatement (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/ssa/codegen.dart:723)
#10 SsaCodeGenerator.define (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/ssa/codegen.dart:692)
#11 SsaCodeGenerator.iterateBasicBlock (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/ssa/codegen.dart:1373)
#12 SsaCodeGenerator.enterSubGraph (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/ssa/codegen.dart:1241)
#13 SsaCodeGenerator.visitSubGraph (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/ssa/codegen.dart:429)
#14 SsaCodeGenerator.visitGraph (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/ssa/codegen.dart:420)
#15 SsaCodeGeneratorTask.generateMethod.<anonymous closure> (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/ssa/codegen.dart:118)
#16 CompilerTask.measure (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/common/tasks.dart:63)
#17 SsaCodeGeneratorTask.generateMethod (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/ssa/codegen.dart:101)
#18 SsaCodeGeneratorTask.generateCode (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/ssa/codegen.dart:70)
#19 SsaFunctionCompiler.compile (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/ssa/ssa.dart:47)
#20 JavaScriptBackend.codegen (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/js_backend/backend.dart:848)
#21 KernelCodegenWorkItem.run (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/kernel/kernel_backend_strategy.dart:79)
#22 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:784)
#23 CompilerTask.measureSubtask (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/common/tasks.dart:178)
#24 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:784)
#25 CompilerTask.measureSubtask (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/common/tasks.dart:178)
#26 Compiler.emptyQueue.<anonymous closure>.<anonymous closure>.<anonymous closure> (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:782)
#27 CompilerDiagnosticReporter.withCurrentElement (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:1156)
#28 Compiler.emptyQueue.<anonymous closure>.<anonymous closure> (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:780)
#29 EnqueuerStrategy.processWorkItem (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/enqueue.dart:513)
#30 CodegenEnqueuer.forEach (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/js_backend/enqueuer.dart:227)
#31 Compiler.emptyQueue.<anonymous closure> (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:776)
#32 CompilerTask.measureSubtask (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/common/tasks.dart:178)
#33 Compiler.emptyQueue (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:775)
#34 Compiler.processQueue.<anonymous closure> (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:797)
#35 CompilerTask.measureSubtask (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/common/tasks.dart:178)
#36 Compiler.processQueue (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:794)
#37 Compiler.compileLoadedLibraries.<anonymous closure> (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:640)
#38 CompilerTask.measureSubtask (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/common/tasks.dart:178)
#39 Compiler.compileLoadedLibraries (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:534)
#40 Compiler.runInternal (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:488)
<asynchronous suspension>
#41 Compiler.run.<anonymous closure>.<anonymous closure> (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:313)
#42 new Future.sync (dart:async/future.dart:222)
#43 Compiler.run.<anonymous closure> (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:313)
#44 CompilerTask.measureSubtask (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/common/tasks.dart:178)
#45 Compiler.run (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/compiler.dart:310)
#46 CompilerImpl.run.<anonymous closure>.<anonymous closure> (file:///b/build/slave/dart-sdk-mac-dev/build/sdk/pkg/compiler/lib/src/apiimpl.dart:265)
#47 _RootZone.runUnary (dart:async/zone.dart:1381)
#48 _FutureListener.handleValue (dart:async/future_impl.dart:129)
#49 _Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:633)
#50 _Future._propagateToListeners (dart:async/future_impl.dart:662)
#51 _Future._completeWithValue (dart:async/future_impl.dart:477)
#52 _Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:507)
#53 _microtaskLoop (dart:async/schedule_microtask.dart:41)
#54 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50)
#55 _runPendingImmediateCallback (dart:isolate-patch/dart:isolate/isolate_patch.dart:113)
#56 _RawReceivePortImpl._handleMessage (dart:isolate-patch/dart:isolate/isolate_patch.dart:166)
