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[Bug tree-optimization/59445] [4.9 Regression] ICE in add_old_iv_candidates, at tree-ssa-loop-ivopts.c:2541
- From: "dominiq at lps dot ens.fr" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 10 Dec 2013 20:49:27 +0000
- Subject: [Bug tree-optimization/59445] [4.9 Regression] ICE in add_old_iv_candidates, at tree-ssa-loop-ivopts.c:2541
- Auto-submitted: auto-generated
- References: <bug-59445-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59445
--- Comment #11 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> Started with r205848.
Well, the assert at line 2541 has been introduced in the revision:
+ gcc_assert (gimple_bb (phi) == data->current_loop->header);
and it was in the original patch et
http://gcc.gnu.org/ml/gcc-patches/2013-12/msg00630.html, but without
explanation for it.