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Re: RFA: Use fixup_fallthru_exit_predecessor only for
- From: Andreas Schwab <schwab at suse dot de>
- To: Joern Rennecke <joern dot rennecke at superh dot com>
- Cc: dje at watson dot ibm dot com (David Edelsohn), amylaar at spamcop dot net (JoernRennecke), gcc-patches at gcc dot gnu dot org
- Date: Tue, 15 Jun 2004 23:04:45 +0200
- Subject: Re: RFA: Use fixup_fallthru_exit_predecessor only for
- References: <200406151354.i5FDsK705864@linsvr1.uk.superh.com>
Joern Rennecke <joern.rennecke@superh.com> writes:
>> Yes, you're right, it's the stage2 compiler. Which means the stage1
>> compiler miscompiled the stage2 compiler.
>
> Could you do a plain build (i.e. no bootstrap), and run the execution tests?
> It is rather hard to identify the miscompiled piece of code when you can't
> run a debugger :-(
$ /tmp/cvs/gcc-test-200406141500/Build/gcc/xgcc -B/tmp/cvs/gcc-test-200406141500/Build/gcc/ /tmp/cvs/gcc-test-200406141500/gcc/testsuite/gcc.c-torture/execute/20030120-2.c -w -O1 -lm -o /tmp/cvs/gcc-test-200406141500/Build/gcc/testsuite/20030120-2.x1
$ /tmp/cvs/gcc-test-200406141500/Build/gcc/testsuite/20030120-2.x1
Aborted
This compiler was checked out with -D "2004-06-14 15:00 CEST" and contains
the patch in <http://gcc.gnu.org/ml/gcc-patches/2004-06/msg01054.html>
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
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