[Bug debug/70935] [6 Regression] ICE: verify_ssa failed (error: definition in block 9 does not dominate use in block 12) w/ -O3 -g

[ienkovich at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70935

--- Comment #6 from Ilya Enkovich <ienkovich at gcc dot gnu.org> ---
Author: ienkovich
Date: Tue May 10 14:26:37 2016
New Revision: 236081

URL: https://gcc.gnu.org/viewcvs?rev=236081&root=gcc&view=rev
Log:
gcc/

2016-05-10  Yuri Rumyantsev  <ysrum...@gmail.com>

        Backport from mainline r235962.
        2016-05-06  Yuri Rumyantsev  <ysrum...@gmail.com>

        PR debug/70935
        * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
        loop latch destination.

gcc/testsuite/

2016-05-10  Yuri Rumyantsev  <ysrum...@gmail.com>

        Backport from mainline r235962.
        2016-05-06  Yuri Rumyantsev  <ysrum...@gmail.com>

        PR debug/70935
        * gcc.dg/torture/pr70935.c: New test.

Added:
    branches/gcc-6-branch/gcc/testsuite/gcc.dg/torture/pr70935.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/testsuite/ChangeLog
    branches/gcc-6-branch/gcc/tree-ssa-loop-unswitch.c