[Bug middle-end/44592] [4.5 Regression] wrong code at -O3

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44592

--- Comment #16 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-01-17 
11:31:14 UTC ---
Author: rguenth
Date: Mon Jan 17 11:31:10 2011
New Revision: 168894

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168894
Log:
2011-01-17  Richard Guenther  <rguent...@suse.de>

        Backport from mainline
    PR tree-optimization/47286
    * tree-ssa-structalias.c (new_var_info): Register variables
    are global.

    * gcc.dg/tree-ssa/pr47286.c: New testcase.

        PR tree-optimization/44592
    * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Copy
    from trunk.

    * gfortran.dg/pr44592.f90: New testcase.

Added:
    branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/tree-ssa/pr47286.c
    branches/gcc-4_5-branch/gcc/testsuite/gfortran.dg/pr44592.f90
Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_5-branch/gcc/tree-ssa-ccp.c
    branches/gcc-4_5-branch/gcc/tree-ssa-structalias.c