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Welcome to Scala version 2.11.5 (JavaHotSpot(TM) 64-BitServerVM, Java1.8.0_25).
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scala>traitA { valb:Any }
defined traitA
scala>newA { objectb }
res0:A{objectb} = $anon$1@4d114a30
scala> res0.b
java.lang.AssertionError: assertion failed: unsafe symbol $anon$1 (child of object$iw) in runtime reflection universe
at scala.reflect.internal.Symbols$Symbol.<init>(Symbols.scala:179)
at scala.reflect.internal.Symbols$TypeSymbol.<init>(Symbols.scala:2976)
at scala.reflect.internal.Symbols$ClassSymbol.<init>(Symbols.scala:3168)
at scala.reflect.internal.Symbols$StubClassSymbol.<init>(Symbols.scala:3463)
at scala.reflect.internal.Symbols$Symbol.newStubSymbol(Symbols.scala:493)
at scala.reflect.internal.pickling.UnPickler$Scan.readExtSymbol$1(UnPickler.scala:258)
at scala.reflect.internal.pickling.UnPickler$Scan.readSymbol(UnPickler.scala:284)
at scala.reflect.internal.pickling.UnPickler$Scan.readSymbolRef(UnPickler.scala:649)
at scala.reflect.internal.pickling.UnPickler$Scan.readExtSymbol$1(UnPickler.scala:207)
at scala.reflect.internal.pickling.UnPickler$Scan.readSymbol(UnPickler.scala:284)
at scala.reflect.internal.pickling.UnPickler$Scan.readSymbolRef(UnPickler.scala:649)
at scala.reflect.internal.pickling.UnPickler$Scan.readType(UnPickler.scala:417)
at scala.reflect.internal.pickling.UnPickler$Scan$$anonfun$2.apply(UnPickler.scala:360)
at scala.reflect.internal.pickling.UnPickler$Scan$$anonfun$2.apply(UnPickler.scala:360)
at scala.reflect.internal.pickling.UnPickler$Scan.at(UnPickler.scala:179)
at scala.reflect.internal.pickling.UnPickler$Scan.readSymbol(UnPickler.scala:360)
at scala.reflect.internal.pickling.UnPickler$Scan.run(UnPickler.scala:87)
at scala.reflect.internal.pickling.UnPickler.unpickle(UnPickler.scala:38)
at scala.reflect.runtime.JavaMirrors$JavaMirror.unpickleClass(JavaMirrors.scala:615)
at scala.reflect.runtime.SymbolLoaders$TopClassCompleter$$anonfun$complete$1.apply$mcV$sp(SymbolLoaders.scala:28)
at scala.reflect.runtime.SymbolLoaders$TopClassCompleter$$anonfun$complete$1.apply(SymbolLoaders.scala:25)
at scala.reflect.runtime.SymbolLoaders$TopClassCompleter$$anonfun$complete$1.apply(SymbolLoaders.scala:25)
at scala.reflect.internal.SymbolTable.slowButSafeEnteringPhaseNotLaterThan(SymbolTable.scala:263)
at scala.reflect.runtime.SymbolLoaders$TopClassCompleter.complete(SymbolLoaders.scala:25)
at scala.reflect.runtime.SymbolLoaders$TopClassCompleter.load(SymbolLoaders.scala:33)
at scala.reflect.internal.Symbols$Symbol.exists(Symbols.scala:1050)
at scala.reflect.internal.Importers$StandardImporter.recreateOrRelink$1(Importers.scala:163)
at scala.reflect.internal.Importers$StandardImporter.importSymbol(Importers.scala:210)
at scala.reflect.internal.Importers$StandardImporter.importSymbol(Importers.scala:29)
at scala.tools.nsc.interpreter.IMain.getModuleIfDefined(IMain.scala:173)
at scala.tools.nsc.interpreter.IMain.readRootPath(IMain.scala:296)
at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.resolvePathToSymbol(IMain.scala:806)
at scala.tools.nsc.interpreter.IMain$Request.resultSymbol$lzycompute(IMain.scala:997)
at scala.tools.nsc.interpreter.IMain$Request.resultSymbol(IMain.scala:997)
at scala.tools.nsc.interpreter.IMain$Request$$anonfun$typeMap$1.apply(IMain.scala:1004)
at scala.tools.nsc.interpreter.IMain$Request$$anonfun$typeMap$1.apply(IMain.scala:1004)
at scala.reflect.internal.util.Collections$$anonfun$mapFrom$1.apply(Collections.scala:182)
at scala.reflect.internal.util.Collections$$anonfun$mapFrom$1.apply(Collections.scala:182)
at scala.collection.immutable.List.map(List.scala:273)
at scala.reflect.internal.util.Collections$class.mapFrom(Collections.scala:182)
at scala.reflect.internal.SymbolTable.mapFrom(SymbolTable.scala:16)
at scala.tools.nsc.interpreter.IMain$Request.typeMap(IMain.scala:1004)
at scala.tools.nsc.interpreter.IMain$Request.typeOf$lzycompute(IMain.scala:1009)
at scala.tools.nsc.interpreter.IMain$Request.typeOf(IMain.scala:1009)
at scala.tools.nsc.interpreter.IMain$Request.compile$lzycompute(IMain.scala:978)
at scala.tools.nsc.interpreter.IMain$Request.compile(IMain.scala:971)
at scala.tools.nsc.interpreter.IMain.compile(IMain.scala:568)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:556)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:554)
at scala.tools.nsc.interpreter.ILoop.reallyInterpret$1(ILoop.scala:802)
at scala.tools.nsc.interpreter.ILoop.interpretStartingWith(ILoop.scala:847)
at scala.tools.nsc.interpreter.ILoop.command(ILoop.scala:705)
at scala.tools.nsc.interpreter.ILoop.processLine(ILoop.scala:404)
at scala.tools.nsc.interpreter.ILoop.loop(ILoop.scala:430)
at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply$mcZ$sp(ILoop.scala:918)
at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:904)
at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:904)
at scala.reflect.internal.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:97)
at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:904)
at scala.tools.nsc.interpreter.ILoop.main(ILoop.scala:929)
at xsbt.ConsoleInterface.run(ConsoleInterface.scala:62)
at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:101)
at sbt.compiler.AnalyzingCompiler.console(AnalyzingCompiler.scala:76)
at sbt.Console.sbt$Console$$console0$1(Console.scala:22)
at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply$mcV$sp(Console.scala:23)
at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply(Console.scala:23)
at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply(Console.scala:23)
at sbt.Logger$$anon$4.apply(Logger.scala:85)
at sbt.TrapExit$App.run(TrapExit.scala:248)
at java.lang.Thread.run(Thread.java:745)
java.lang.RuntimeException: error reading Scala signature of $line5.$read: assertion failed: unsafe symbol $anon$1 (child of object$iw) in runtime reflection universe
at scala.reflect.internal.pickling.UnPickler.unpickle(UnPickler.scala:46)
at scala.reflect.runtime.JavaMirrors$JavaMirror.unpickleClass(JavaMirrors.scala:615)
at scala.reflect.runtime.SymbolLoaders$TopClassCompleter$$anonfun$complete$1.apply$mcV$sp(SymbolLoaders.scala:28)
at scala.reflect.runtime.SymbolLoaders$TopClassCompleter$$anonfun$complete$1.apply(SymbolLoaders.scala:25)
at scala.reflect.runtime.SymbolLoaders$TopClassCompleter$$anonfun$complete$1.apply(SymbolLoaders.scala:25)
at scala.reflect.internal.SymbolTable.slowButSafeEnteringPhaseNotLaterThan(SymbolTable.scala:263)
at scala.reflect.runtime.SymbolLoaders$TopClassCompleter.complete(SymbolLoaders.scala:25)
at scala.reflect.runtime.SymbolLoaders$TopClassCompleter.load(SymbolLoaders.scala:33)
at scala.reflect.internal.Symbols$Symbol.exists(Symbols.scala:1050)
at scala.reflect.internal.Importers$StandardImporter.recreateOrRelink$1(Importers.scala:163)
at scala.reflect.internal.Importers$StandardImporter.importSymbol(Importers.scala:210)
at scala.reflect.internal.Importers$StandardImporter.importSymbol(Importers.scala:29)
at scala.tools.nsc.interpreter.IMain.getModuleIfDefined(IMain.scala:173)
at scala.tools.nsc.interpreter.IMain.readRootPath(IMain.scala:296)
at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.resolvePathToSymbol(IMain.scala:806)
at scala.tools.nsc.interpreter.IMain$Request.resultSymbol$lzycompute(IMain.scala:997)
at scala.tools.nsc.interpreter.IMain$Request.resultSymbol(IMain.scala:997)
at scala.tools.nsc.interpreter.IMain$Request$$anonfun$typeMap$1.apply(IMain.scala:1004)
at scala.tools.nsc.interpreter.IMain$Request$$anonfun$typeMap$1.apply(IMain.scala:1004)
at scala.reflect.internal.util.Collections$$anonfun$mapFrom$1.apply(Collections.scala:182)
at scala.reflect.internal.util.Collections$$anonfun$mapFrom$1.apply(Collections.scala:182)
at scala.collection.immutable.List.map(List.scala:273)
at scala.reflect.internal.util.Collections$class.mapFrom(Collections.scala:182)
at scala.reflect.internal.SymbolTable.mapFrom(SymbolTable.scala:16)
at scala.tools.nsc.interpreter.IMain$Request.typeMap(IMain.scala:1004)
at scala.tools.nsc.interpreter.IMain$Request.typeOf$lzycompute(IMain.scala:1009)
at scala.tools.nsc.interpreter.IMain$Request.typeOf(IMain.scala:1009)
at scala.tools.nsc.interpreter.IMain$Request.compile$lzycompute(IMain.scala:978)
at scala.tools.nsc.interpreter.IMain$Request.compile(IMain.scala:971)
at scala.tools.nsc.interpreter.IMain.compile(IMain.scala:568)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:556)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:554)
at scala.tools.nsc.interpreter.ILoop.reallyInterpret$1(ILoop.scala:802)
at scala.tools.nsc.interpreter.ILoop.interpretStartingWith(ILoop.scala:847)
at scala.tools.nsc.interpreter.ILoop.command(ILoop.scala:705)
at scala.tools.nsc.interpreter.ILoop.processLine(ILoop.scala:404)
at scala.tools.nsc.interpreter.ILoop.loop(ILoop.scala:430)
at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply$mcZ$sp(ILoop.scala:918)
at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:904)
at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:904)
at scala.reflect.internal.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:97)
at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:904)
at scala.tools.nsc.interpreter.ILoop.main(ILoop.scala:929)
at xsbt.ConsoleInterface.run(ConsoleInterface.scala:62)
at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:101)
at sbt.compiler.AnalyzingCompiler.console(AnalyzingCompiler.scala:76)
at sbt.Console.sbt$Console$$console0$1(Console.scala:22)
at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply$mcV$sp(Console.scala:23)
at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply(Console.scala:23)
at sbt.Console$$anonfun$apply$2$$anonfun$apply$1.apply(Console.scala:23)
at sbt.Logger$$anon$4.apply(Logger.scala:85)
at sbt.TrapExit$App.run(TrapExit.scala:248)
at java.lang.Thread.run(Thread.java:745)
That entry seems to have slain the compiler. ShallI replay
your session?I can re-run each line except the last one.
[y/n]
The text was updated successfully, but these errors were encountered:
scala>new { objectb }
res0:AnyRef{objectb} = $anon$1@22b48b21
scala> res0.b
warning: there was one feature warning; re-run with-feature for details
java.lang.AssertionError: assertion failed: unsafe symbol $anon$1 (child of object$iw) in runtime reflection universe
Reported by Jerzy Müller: https://groups.google.com/d/topic/scala-internals/fSFBe9ebiqw/discussion
It works on 2.10.4.
The text was updated successfully, but these errors were encountered: