r177672 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Aug 11 15:34:46 2011
New Revision: 177672

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=177672
Log:
2011-08-11  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid redundant
	lookups, make looking through aggregate copies stronger.

	* g++.dg/tree-ssa/pr41186.C: Un-XFAIL.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/tree-ssa/pr41186.C
    trunk/gcc/tree-ssa-sccvn.c