[Bug tree-optimization/57149] [4.8/4.9 Regression] wrong -Wmaybe-uninitialized warning with -Os

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57149

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-05-07 10:40:10 UTC ---
Author: jakub
Date: Tue May  7 10:30:13 2013
New Revision: 198671

URL: http://gcc.gnu.org/viewcvs?rev=198671&root=gcc&view=rev
Log:
    PR tree-optimization/57149
    * tree-ssa-uninit.c (uninit_undefined_value_p): New inline.
    (can_skip_redundant_opnd, compute_uninit_opnds_pos,
    collect_phi_def_edges, execute_late_warn_uninitialized): Use
    uninit_undefined_value_p instead of ssa_undefined_value_p.

    * gcc.dg/pr57149.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr57149.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-uninit.c

Author: jakub
Date: Tue May  7 10:32:41 2013
New Revision: 198672

URL: http://gcc.gnu.org/viewcvs?rev=198672&root=gcc&view=rev
Log:
    PR tree-optimization/57149
    * tree-ssa-uninit.c (uninit_undefined_value_p): New inline.
    (can_skip_redundant_opnd, compute_uninit_opnds_pos,
    collect_phi_def_edges, execute_late_warn_uninitialized): Use
    uninit_undefined_value_p instead of ssa_undefined_value_p.

    * gcc.dg/pr57149.c: New test.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/pr57149.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/tree-ssa-uninit.c