[Bug middle-end/50700] [4.6/4.7 Regression] __builtin_object_size computed wrong

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50700

--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-10-12 13:22:18 UTC ---
Author: rguenth
Date: Wed Oct 12 13:22:12 2011
New Revision: 179851

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179851
Log:
2011-10-12  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/50700
    * tree-object-size.c (addr_object_size): Simplify and treat
    MEM_REF bases consistently.

    * gcc.dg/builtin-object-size-12.c: New testcase.

Added:
    branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/builtin-object-size-12.c
Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_6-branch/gcc/tree-object-size.c