jjs> function f() { try { undefined } catch(x1 if Object) { } catch(x2) { (function(){x2}) } } f()
Exception in thread "main" java.lang.AssertionError
   at jdk.nashorn.internal.codegen.CodeGenerator.enterBlock(CodeGenerator.java:1115)
   at jdk.nashorn.internal.codegen.CodeGenerator.enterTryNode(CodeGenerator.java:3045)
   at jdk.nashorn.internal.ir.TryNode.accept(TryNode.java:110)
   at jdk.nashorn.internal.ir.Node.accept(Node.java:265)
   at jdk.nashorn.internal.ir.Block.accept(Block.java:178)
   at jdk.nashorn.internal.ir.LexicalContextNode$Acceptor.accept(LexicalContextNode.java:57)
   at jdk.nashorn.internal.ir.Block.accept(Block.java:425)
   at jdk.nashorn.internal.codegen.CodeGenerator.enterBlockStatement(CodeGenerator.java:1583)
   at jdk.nashorn.internal.ir.BlockStatement.accept(BlockStatement.java:86)
   at jdk.nashorn.internal.ir.Node.accept(Node.java:265)
   ...