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[Bug tree-optimization/50767] [4.7 Regression] ICE: in refs_may_alias_p_1, at tree-ssa-alias.c:1004 with -O2 -fno-tree-copy-prop -fno-tree-dominator-opts
- 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: Tue, 18 Oct 2011 11:44:22 +0000
- Subject: [Bug tree-optimization/50767] [4.7 Regression] ICE: in refs_may_alias_p_1, at tree-ssa-alias.c:1004 with -O2 -fno-tree-copy-prop -fno-tree-dominator-opts
- Auto-submitted: auto-generated
- References: <bug-50767-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50767
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-10-18 11:44:22 UTC ---
Author: rguenth
Date: Tue Oct 18 11:44:15 2011
New Revision: 180134
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180134
Log:
2011-10-18 Richard Guenther <rguenther@suse.de>
PR tree-optimization/50767
* tree-ssa-pre.c (create_expression_by_pieces): Update the
folded statement.
* gcc.dg/torture/pr50767.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr50767.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-pre.c