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[Bug debug/49496] [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 22 Jun 2011 20:39:00 +0000
- Subject: [Bug debug/49496] [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize
- Auto-submitted: auto-generated
- References: <bug-49496-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49496
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-06-22 20:37:58 UTC ---
Author: jakub
Date: Wed Jun 22 20:37:54 2011
New Revision: 175314
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175314
Log:
PR debug/49496
* tree-vect-patterns.c (vect_recog_widen_mult_pattern): Ignore debug
uses.
* gcc.dg/pr49496.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr49496.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-patterns.c