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[Bug tree-optimization/81977] [5/6 Regression] Issue with inline memcpy with optimizations enabled
- From: "aldyh at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 13 Sep 2017 17:32:51 +0000
- Subject: [Bug tree-optimization/81977] [5/6 Regression] Issue with inline memcpy with optimizations enabled
- Auto-submitted: auto-generated
- References: <bug-81977-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81977
--- Comment #7 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Author: aldyh
Date: Wed Sep 13 17:32:20 2017
New Revision: 252587
URL: https://gcc.gnu.org/viewcvs?rev=252587&root=gcc&view=rev
Log:
2017-08-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/81977
* tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
memcpy.
* g++.dg/torture/pr81977.C: New testcase.
Added:
branches/range-gen2/gcc/testsuite/g++.dg/torture/pr81977.C
Modified:
branches/range-gen2/gcc/ChangeLog
branches/range-gen2/gcc/testsuite/ChangeLog
branches/range-gen2/gcc/tree-ssa-sccvn.c