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[Bug tree-optimization/22071] [4.1 regression] ICE in first_vi_for_offset, at tree-ssa-structalias.c:2506
- From: "dberlin at dberlin dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Jun 2005 18:54:01 -0000
- Subject: [Bug tree-optimization/22071] [4.1 regression] ICE in first_vi_for_offset, at tree-ssa-structalias.c:2506
- References: <20050615020311.22071.zlynx@acm.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dberlin at gcc dot gnu dot org 2005-06-22 18:54 -------
Subject: Re: [4.1 regression] ICE in
first_vi_for_offset, at tree-ssa-structalias.c:2506
On Wed, 2005-06-22 at 17:59 +0000, bkoz at gcc dot gnu dot org wrote:
> ------- Additional Comments From bkoz at gcc dot gnu dot org 2005-06-22 17:59 -------
>
> I am running into this as well. Turning off all optimizations (-O0) allows
> compilation, anything over -O1 hits it.
>
This one is because of structures with a lot of holes in them, where we
make accesses that bridge the hole, and cna't ind the field that gets
associated with it.
>
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22071