[Bug tree-optimization/58326] [4.9 Regression] ICE in check_loop_closed_ssa_use, at tree-ssa-loop-manip.c:551

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58326

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Sep  9 13:18:38 2013
New Revision: 202399

URL: http://gcc.gnu.org/viewcvs?rev=202399&root=gcc&view=rev
Log:
2013-09-09  Richard Biener  <rguent...@suse.de>

    PR middle-end/58326
    * cfgloopmanip.c (fix_bb_placements): When fixing the placement
    of a subloop record all its block as affecting loop-closed SSA form.

    * gcc.dg/torture/pr58326-1.c: New testcase.
    * gcc.dg/torture/pr58326-2.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr58326-1.c
    trunk/gcc/testsuite/gcc.dg/torture/pr58326-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgloopmanip.c
    trunk/gcc/testsuite/ChangeLog