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[Bug c++/13954] [tree-ssa] SRA does not work for classes that use inheritance with an empty base
- 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, 15 Mar 2011 13:38:10 +0000
- Subject: [Bug c++/13954] [tree-ssa] SRA does not work for classes that use inheritance with an empty base
- Auto-submitted: auto-generated
- References: <bug-13954-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13954
--- Comment #18 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-03-15 13:37:42 UTC ---
Author: rguenth
Date: Tue Mar 15 13:37:23 2011
New Revision: 170994
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170994
Log:
2011-03-15 Richard Guenther <rguenther@suse.de>
PR tree-optimization/13954
* tree-ssa-sccvn.c (vn_reference_lookup_3): Look through memcpy
and friends.
* g++.dg/tree-ssa/pr13954.C: New testcase.
Added:
trunk/gcc/testsuite/g++.dg/tree-ssa/pr13954.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-sccvn.c