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[Bug tree-optimization/54920] [4.8 Regression] segfault in tree-ssa-pre.c during Firefox build
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 15 Oct 2012 11:22:54 +0000
- Subject: [Bug tree-optimization/54920] [4.8 Regression] segfault in tree-ssa-pre.c during Firefox build
- Auto-submitted: auto-generated
- References: <bug-54920-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54920
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> 2012-10-15 11:22:54 UTC ---
Author: rguenth
Date: Mon Oct 15 11:22:49 2012
New Revision: 192454
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192454
Log:
2012-10-15 Richard Guenther <rguenther@suse.de>
PR tree-optimization/54920
* tree-ssa-pre.c (create_expression_by_pieces): Properly
allocate temporary storage for all NARY elements.
* gcc.dg/torture/pr54920.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr54920.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-pre.c