Re: Re: NOP ATHROW hack defeated !

18/05/2011 22:28, Charles Oliver Nutter wrote:
> Now I have a case where the ASM dead code rewriting breaks on Java 7
> but not Java 6:
> So it's a while loop with a break inside a rescued method body. The
> code emitted for the while loop looks like this:
>
>     L5
>      LINENUMBER 2 L5
>      GOTO L6
>     L7
>     L8
>      LINENUMBER 3 L8
>      ALOAD 1
>      GETFIELD org/jruby/runtime/ThreadContext.nil :
> Lorg/jruby/runtime/builtin/IRubyObject;
>      GOTO L9
>     L10
>      POP
>     L6
>      ALOAD 9
>      INVOKEINTERFACE org/jruby/runtime/builtin/IRubyObject.isTrue ()Z
>      IFNE L7

can you send us the corresponding ASMifier code (for the whole 
method/class), so that we can reproduce the bug?

Eric

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