Closure Compiler Internal Error

[grassh...@gmail.com]

Hi!

I've encountered a pair of compiler errors:

com.google.javascript.rhino.jstype.UnionType cannot be cast to com.google.javascript.rhino.jstype.ObjectType 

        at com.google.javascript.jscomp.Compiler.runInCompilerThread(Compiler.java:715)

        at com.google.javascript.jscomp.Compiler.compile(Compiler.java:647)

        at com.google.javascript.jscomp.Compiler.compile(Compiler.java:603)

        at com.google.javascript.jscomp.AbstractCommandLineRunner.doRun(AbstractCommandLineRunner.java:783)

        at com.google.javascript.jscomp.AbstractCommandLineRunner.run(AbstractCommandLineRunner.java:379)

        at com.google.javascript.jscomp.CommandLineRunner.main(CommandLineRunner.java:974)

Caused by: java.lang.RuntimeException: INTERNAL COMPILER ERROR.

and

com.google.javascript.rhino.jstype.UnionType cannot be cast to com.google.javascript.rhino.jstype.ObjectType

        at com.google.javascript.jscomp.FunctionTypeBuilder.inferInheritance(FunctionTypeBuilder.java:390)

        at com.google.javascript.jscomp.TypedScopeCreator$AbstractScopeBuilder.createFunctionTypeFromNodes(TypedScopeCreator.java:948)

        at com.google.javascript.jscomp.TypedScopeCreator$AbstractScopeBuilder.defineFunctionLiteral(TypedScopeCreator.java:798)

        at com.google.javascript.jscomp.TypedScopeCreator$AbstractScopeBuilder.visit(TypedScopeCreator.java:532)

        at com.google.javascript.jscomp.TypedScopeCreator$GlobalScopeBuilder.visit(TypedScopeCreator.java:1876)

        at com.google.javascript.jscomp.NodeTraversal.traverseBranch(NodeTraversal.java:540)

        at com.google.javascript.jscomp.NodeTraversal.traverseBranch(NodeTraversal.java:534)

        at com.google.javascript.jscomp.NodeTraversal.traverseBranch(NodeTraversal.java:534)

        at com.google.javascript.jscomp.NodeTraversal.traverseBranch(NodeTraversal.java:534)

        at com.google.javascript.jscomp.NodeTraversal.traverseBranch(NodeTraversal.java:534)

        at com.google.javascript.jscomp.NodeTraversal.traverseBranch(NodeTraversal.java:534)

        at com.google.javascript.jscomp.NodeTraversal.traverse(NodeTraversal.java:287)

        at com.google.javascript.jscomp.NodeTraversal.traverse(NodeTraversal.java:494)

        at com.google.javascript.jscomp.TypedScopeCreator.createScope(TypedScopeCreator.java:226)

        at com.google.javascript.jscomp.MemoizedScopeCreator.createScope(MemoizedScopeCreator.java:82)

        at com.google.javascript.jscomp.PassConfig.regenerateGlobalTypedScope(PassConfig.java:68)

        at com.google.javascript.jscomp.DefaultPassConfig$GlobalTypeResolver.process(DefaultPassConfig.java:1304)

        at com.google.javascript.jscomp.PhaseOptimizer$NamedPass.process(PhaseOptimizer.java:293)

        at com.google.javascript.jscomp.PhaseOptimizer.process(PhaseOptimizer.java:237)

        at com.google.javascript.jscomp.Compiler.check(Compiler.java:825)

        at com.google.javascript.jscomp.Compiler.compileInternal(Compiler.java:742)

        at com.google.javascript.jscomp.Compiler.access$000(Compiler.java:83)

        at com.google.javascript.jscomp.Compiler$2.call(Compiler.java:650)

        at com.google.javascript.jscomp.Compiler$2.call(Compiler.java:647)

        at com.google.javascript.jscomp.Compiler$3.call(Compiler.java:677)

        at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)

        at java.util.concurrent.FutureTask.run(Unknown Source)

        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

        at java.lang.Thread.run(Unknown Source)

Caused by: java.lang.ClassCastException: com.google.javascript.rhino.jstype.Unio

nType cannot be cast to com.google.javascript.rhino.jstype.ObjectType

        ... 30 more

Traceback (most recent call last):

  File "~\closure\bin\build\closurebuilder.py", line 262, in <module>

    main()

  File "~\closure\bin\build\closurebuilder.py", line 251, in main

    compiler_flags=options.compiler_flags)

  File "~\closure\bin\build\jscompiler.py", line 135, in Compile

    raise JsCompilerError('JavaScript compilation failed.')

jscompiler.JsCompilerError: JavaScript compilation failed.

It's not a big problem for me, but compiler told me to report this problem, and I'm doing so :)

[John Lenz]

Thanks for the report.  This may be fixed at the top-of-tree.

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