[Bug tree-optimization/49279] [4.5/4.6/4.7 Regression] Optimization incorrectly presuming constant variable inside loop in g++ 4.5 and 4.6 with -O2 and -O3 for x86_64 targets

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49279

--- Comment #16 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-10-06 
19:56:40 UTC ---
Author: jakub
Date: Thu Oct  6 19:56:32 2011
New Revision: 179633

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179633
Log:
    PR tree-optimization/49279
    * tree-ssa-structalias.c (find_func_aliases): Don't handle
    CAST_RESTRICT.

    * gcc.c-torture/execute/pr49279.c: New test.

Added:
    branches/gcc-4_6-branch/gcc/testsuite/gcc.c-torture/execute/pr49279.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-structalias.c