[Bug tree-optimization/59715] [4.7/4.8 Regression] wrong code at -Os and above on x86_64-linux-gnu

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59715

--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Jan 10 08:37:07 2014
New Revision: 206511

URL: http://gcc.gnu.org/viewcvs?rev=206511&root=gcc&view=rev
Log:
2014-01-10  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/59715
    * tree-flow.h (split_critical_edges): Declare.
    * tree-cfg.c (split_critical_edges): Export.
    * tree-ssa-sink.c (execute_sink_code): Split critical edges.

    * gcc.dg/torture/pr59715.c: New testcase.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr59715.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/tree-cfg.c
    branches/gcc-4_8-branch/gcc/tree-flow.h
    branches/gcc-4_8-branch/gcc/tree-ssa-sink.c