[Bug tree-optimization/68906] [6 Regression] ICE at -O3 on x86_64-linux-gnu: verify_ssa failed

[ienkovich at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68906

--- Comment #4 from Ilya Enkovich <ienkovich at gcc dot gnu.org> ---
Author: ienkovich
Date: Fri Dec 18 10:16:56 2015
New Revision: 231812

URL: https://gcc.gnu.org/viewcvs?rev=231812&root=gcc&view=rev
Log:
gcc/

2015-12-18  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR tree-optimization/68906
        * tree-ssa-loop-unswitch.c (tree_unswitch_outer_loop): Add check
        that an exit block belongs to LOOP.

gcc/testsuite/

2015-12-18  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR tree-optimization/68906
        * gcc.dg/torture/pr68906.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr68906.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-unswitch.c