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Re: java/5537: Error compiling simple bytecode with jsr
- From: Daniel Bonniot <Daniel dot Bonniot at inria dot fr>
- To: nobody at gcc dot gnu dot org
- Cc: gcc-prs at gcc dot gnu dot org,
- Date: 31 Jan 2002 10:06:00 -0000
- Subject: Re: java/5537: Error compiling simple bytecode with jsr
- Reply-to: Daniel Bonniot <Daniel dot Bonniot at inria dot fr>
The following reply was made to PR java/5537; it has been noted by GNATS.
From: Daniel Bonniot <Daniel.Bonniot@inria.fr>
To: tromey@redhat.com
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: java/5537: Error compiling simple bytecode with jsr
Date: Thu, 31 Jan 2002 10:56:09 +0100
Tom Tromey wrote:
>
> I've looked at this. gcj still rejects the bytecode in this PR. I
> think it does so incorrectly; the bytecode looks fine to me and both
> `java' and `gij' pass it.
>
> How did you generate the bytecode?
The bytecode is the output of Sun/Blackdown javac 1.3.1 on the given A.java
The error was first found with my own compiler (http://nice.sf.net) that
generates java bytecode and now optionally calls gcj on the ouput.
> If you did so with gcj, note that
> gcj 3.1 no longer generates the same bytecode. Now the method is
> simply `return'.
I suppose this is only an optim due to the fact that the finally block
is empty. I tried to find the smallest case that triggers the problem.
I have gcj 3.0.3 and it works fine on the source. I haven't tried to
make it produce bytecode.
> This doesn't affect the fact that this is a gcj bug.
Right.