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[Bug tree-optimization/49539] [4.7 regression] ICE building gnattools
- From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 29 Jun 2011 16:05:39 +0000
- Subject: [Bug tree-optimization/49539] [4.7 regression] ICE building gnattools
- Auto-submitted: auto-generated
- References: <bug-49539-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49539
--- Comment #8 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-06-29 16:04:51 UTC ---
Author: ebotcazou
Date: Wed Jun 29 16:04:47 2011
New Revision: 175651
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175651
Log:
PR tree-optimization/49539
* tree-ssa-forwprop.c (can_propagate_from): Check for abnormal SSA
names by means of stmt_references_abnormal_ssa_name.
(associate_plusminus): Call can_propagate_from before propagating
from definition statements.
Modified:
branches/gcc-4_6-branch/gcc/ChangeLog
branches/gcc-4_6-branch/gcc/tree-ssa-forwprop.c