[Bug tree-optimization/58958] [4.9 Regression] Wrong aliasing info for variable index

[glisse at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58958

--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> ---
Author: glisse
Date: Tue Nov  5 13:01:06 2013
New Revision: 204389

URL: http://gcc.gnu.org/viewcvs?rev=204389&root=gcc&view=rev
Log:
2013-11-05  Marc Glisse  <marc.gli...@inria.fr>

    PR tree-optimization/58958
gcc/
    * tree-ssa-alias.c (ao_ref_init_from_ptr_and_size): Use
    get_addr_base_and_unit_offset instead of get_ref_base_and_extent.

gcc/testsuite/
    * gcc.dg/tree-ssa/pr58958.c: New file.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr58958.c   (with props)
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-alias.c

Propchange: trunk/gcc/testsuite/gcc.dg/tree-ssa/pr58958.c
            ('svn:eol-style' added)

Propchange: trunk/gcc/testsuite/gcc.dg/tree-ssa/pr58958.c
            ('svn:keywords' added)