[Bug tree-optimization/47426] [4.6 Regression] wrong code with -O2 -fipa-pta

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47426

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-01-25 16:38:32 UTC ---
Author: rguenth
Date: Tue Jan 25 16:38:26 2011
New Revision: 169241

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169241
Log:
2011-01-25  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/47426
    * tree-ssa-structalias.c (ipa_pta_execute): Make externally
    visible functions results escape.

    * gcc.dg/torture/pr47426-1.c: New testcase.
    * gcc.dg/torture/pr47426-2.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr47426-1.c
    trunk/gcc/testsuite/gcc.dg/torture/pr47426-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-structalias.c