[Bug tree-optimization/69452] [6 Regression] gcc ICE at -O3 on x86_64-linux-gnu in with verify_ssa failed

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69452

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jan 26 11:51:01 2016
New Revision: 232820

URL: https://gcc.gnu.org/viewcvs?rev=232820&root=gcc&view=rev
Log:
2016-01-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69452
        * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
        (move_computations_dom_walker::before_dom_children): Rename
        to ...
        (move_computations_worker): This.
        (move_computations): Perform an RPO rather than a DOM walk.

        * gcc.dg/torture/pr69452.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr69452.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-im.c