[Bug rtl-optimization/48695] [4.6 Regression] Runtime with an array of std::vectors

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48695

--- Comment #11 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-21 14:40:57 UTC ---
Author: rguenth
Date: Thu Apr 21 14:40:53 2011
New Revision: 172831

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172831
Log:
2011-04-21  Richard Guenther  <rguenther@suse.de>

    PR middle-end/48695
    * tree-ssa-alias.c (aliasing_component_refs_p): Compute base
    objects and types here.  Adjust for their offset before
    comparing.

    * g++.dg/torture/pr48695.C: New testcase.

Added:
    branches/gcc-4_6-branch/gcc/testsuite/g++.dg/torture/pr48695.C
Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_6-branch/gcc/tree-ssa-alias.c