[Bug c++/13954] [tree-ssa] SRA does not work for classes that use inheritance with an empty base

[rguenth at gcc dot gnu.org]

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  <rguent...@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