This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/38926] [4.4 Regression] ice in find_or_generate_expression, at tree-ssa-pre.c:2769
- From: "dberlin at dberlin dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Jan 2009 14:09:53 -0000
- Subject: [Bug tree-optimization/38926] [4.4 Regression] ice in find_or_generate_expression, at tree-ssa-pre.c:2769
- References: <bug-38926-12544@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from dberlin at gcc dot gnu dot org 2009-01-21 14:09 -------
Subject: Re: [4.4 Regression] ice in
find_or_generate_expression, at tree-ssa-pre.c:2769
names should be self-leaders.
Sounds like a set bitmap messup somewhere or an equality function gone
bad or something.
i'll take a look
On Wed, Jan 21, 2009 at 5:13 AM, rguenth at gcc dot gnu dot org
<gcc-bugzilla@gcc.gnu.org> wrote:
>
>
> ------- Comment #1 from rguenth at gcc dot gnu dot org 2009-01-21 10:13 -------
> Confirmed. PRE doesn't find a leader for a NAME (!?) when inserting
> {nop_expr,g_2.7_47}.
>
>
> --
>
> rguenth at gcc dot gnu dot org changed:
>
> What |Removed |Added
> ----------------------------------------------------------------------------
> CC| |dberlin at gcc dot gnu dot
> | |org
> Status|UNCONFIRMED |NEW
> Component|c |tree-optimization
> Ever Confirmed|0 |1
> GCC build triplet|i686-pc-linux-gnu |
> GCC host triplet|i686-pc-linux-gnu |
> GCC target triplet|i686-pc-linux-gnu |
> Keywords| |ice-on-valid-code
> Last reconfirmed|0000-00-00 00:00:00 |2009-01-21 10:13:21
> date| |
> Summary|ice in |[4.4 Regression] ice in
> |find_or_generate_expression,|find_or_generate_expression,
> |at tree-ssa-pre.c:2769 |at tree-ssa-pre.c:2769
> Target Milestone|--- |4.4.0
> Version|unknown |4.4.0
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38926
>
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38926