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[Bug tree-optimization/53693] [4.7 regression] ICE in vect_get_vec_def_for_stmt_copy, at tree-vect-stmts.c:1438
- 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, 06 Jul 2012 09:21:39 +0000
- Subject: [Bug tree-optimization/53693] [4.7 regression] ICE in vect_get_vec_def_for_stmt_copy, at tree-vect-stmts.c:1438
- Auto-submitted: auto-generated
- References: <bug-53693-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53693
--- Comment #7 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-07-06 09:21:39 UTC ---
Author: rguenth
Date: Fri Jul 6 09:21:36 2012
New Revision: 189313
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189313
Log:
2012-07-06 Richard Guenther <rguenther@suse.de>
Backport from mainline
2012-06-18 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53693
* tree-vect-patterns.c (vect_operation_fits_smaller_type):
Reject operands with more than one use.
* g++.dg/torture/pr53693.C: New testcase.
Added:
branches/gcc-4_7-branch/gcc/testsuite/g++.dg/torture/pr53693.C
Modified:
branches/gcc-4_7-branch/gcc/ChangeLog
branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
branches/gcc-4_7-branch/gcc/tree-vect-patterns.c