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Re: PR16867: Fix a long standing DCE bug
- From: Diego Novillo <dnovillo at redhat dot com>
- To: Bryce McKinlay <mckinlay at redhat dot com>
- Cc: Ranjit Mathew <rmathew at gmail dot com>, "java-patches at gcc dot gnu dot org" <java-patches at gcc dot gnu dot org>, GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Thu, 12 Aug 2004 13:46:10 -0400
- Subject: Re: PR16867: Fix a long standing DCE bug
- Organization: Red Hat Canada
- References: <1092291946.7543.37.camel@localhost.localdomain> <411B3D86.8090906@gmail.com> <411BAB46.2020305@redhat.com>
On Thu, 2004-08-12 at 13:39, Bryce McKinlay wrote:
> Even at -O1/-O2? It was still failing for me yesterday.
>
Same here.
> Although strangely, it did work at -O3.
>
Because at -O3 we inline getFoo, causing DCE to see both the def and the
use of the allocated memory.
Diego.