An error occurred during parsing of '/Users/sven/projects/efx8/efx~main/platform/efx.core.windows/src/org/efx/core/windows/WindowSystemImpl.java'. Please report a bug against java/source and attach dump file '/Users/sven/Library/Application Support/NetBeans/dev/var/log/WindowSystemImpl_2.dump'.
Caused: java.lang.AssertionError
   at com.sun.tools.javac.util.Assert.error(Assert.java:126)
   at com.sun.tools.javac.util.Assert.check(Assert.java:45)
   at com.sun.tools.javac.code.Scope.leave(Scope.java:151)
   at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1166)
   at org.netbeans.lib.nbjavac.services.NBAttr.visitBlock(NBAttr.java:82)
   at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:907)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:618)
   at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:663)
   at com.sun.tools.javac.comp.Attr.visitMethodDef(Attr.java:1046)
   at org.netbeans.lib.nbjavac.services.NBAttr.visitMethodDef(NBAttr.java:76)
   at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:776)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:618)
   at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:663)
   at com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:4424)
   at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4321)
   at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4255)
   at com.sun.tools.javac.comp.Attr.attrib(Attr.java:4229)
   at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1288)
   at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1260)
   at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:469)
   at com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:448)
   at org.netbeans.modules.java.source.parsing.JavacParser.moveToPhase(JavacParser.java:664)
   at org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:521)
   at org.netbeans.modules.java.source.parsing.JavacParser.getResult(JavacParser.java:174)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callGetResult(TaskProcessor.java:615)
   at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:247)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:727)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:508)
   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2042)