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[Bug tree-optimization/53168] ICE in find_or_generate_expression, at tree-ssa-pre.c:3053
- 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: Fri, 04 May 2012 11:30:39 +0000
- Subject: [Bug tree-optimization/53168] ICE in find_or_generate_expression, at tree-ssa-pre.c:3053
- Auto-submitted: auto-generated
- References: <bug-53168-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53168
--- Comment #6 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-04 11:30:39 UTC ---
Author: rguenth
Date: Fri May 4 11:30:35 2012
New Revision: 187153
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187153
Log:
2012-05-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53168
* tree-ssa-pre.c (phi_translate_1): Only handle type-punned
memory reads when the result is a constant we can pun.
* gcc.dg/torture/pr53168.c: New testcase.
* gcc.dg/tree-ssa/ssa-pre-30.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr53168.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-30.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-pre.c