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Re: target/5505: Doubts about a patch for OSF
- From: Rainer Orth <ro at TechFak dot Uni-Bielefeld dot DE>
- To: ro at gcc dot gnu dot org
- Cc: gcc-prs at gcc dot gnu dot org,
- Date: 25 Feb 2002 16:26:01 -0000
- Subject: Re: target/5505: Doubts about a patch for OSF
- Reply-to: Rainer Orth <ro at TechFak dot Uni-Bielefeld dot DE>
The following reply was made to PR target/5505; it has been noted by GNATS.
From: Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
To: Richard.Kreckel@Uni-Mainz.DE
Cc: gcc-bugs@gcc.gnu.org, gcc-gnats@gcc.gnu.org
Subject: Re: target/5505: Doubts about a patch for OSF
Date: Mon, 25 Feb 2002 17:25:52 +0100 (MET)
Richard B. Kreckel writes:
> Sorry, silly me. I've attached an old case and that index out of bound
> has been fixed in the real sources ages ago. However, the crash I see
> seems to have nothing to do with this line! Modifying the condition such
> that j==0 does not happen still results in a crashing program when
> compiled with -O2 -fno-exceptions and a working program when compiled with
> -O2 alone. There is an example modified accordingly attached to this
> email and this time I have made sure it also runs with -lefence and stuff.
ok, thanks.
> If you have some time, it would be nice if you could confirm the
> dependence on -fno-exceptions before I start stripping that down. Thanks!
Indeed: the test program works (i.e. doesn't crash) at -O2 and -O1
-fno-exceptions, but SEGVs at -O2 -fno-exceptions.
Rainer