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[Bug tree-optimization/31762] ICE in tree-dfa.c:791 with -ftree-loop-linear (and -O1 -ffast-math)
- From: "rakdver at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 1 May 2007 22:02:31 -0000
- Subject: [Bug tree-optimization/31762] ICE in tree-dfa.c:791 with -ftree-loop-linear (and -O1 -ffast-math)
- References: <bug-31762-11659@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from rakdver at gcc dot gnu dot org 2007-05-01 23:02 -------
To tree-data-ref.c:add_multivariate_self_dist, we get with
c_2 = {{0, +, 30}_1, +, 1}_2
but
ddr->loop_nest contains only loops 2 and 3.
x_1 is then set to 2, which is outside of the bounds of the dist_v
array.
--
rakdver at gcc dot gnu dot org changed:
What |Removed |Added
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CC| |sebastian dot pop at cri dot
| |ensmp dot fr
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31762