[Bug tree-optimization/59715] [4.7/4.8/4.9 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 #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Jan  9 09:21:02 2014
New Revision: 206460

URL: http://gcc.gnu.org/viewcvs?rev=206460&root=gcc&view=rev
Log:
2014-01-09  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/59715
    * tree-cfg.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:
    trunk/gcc/testsuite/gcc.dg/torture/pr59715.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-cfg.c
    trunk/gcc/tree-cfg.h
    trunk/gcc/tree-ssa-sink.c