[Bug tree-optimization/71462] [7 Regression] gcc ICE at -O3 on valid code on x86_64-linux-gnu with “seg fault”

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71462

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Jun  9 11:36:22 2016
New Revision: 237254

URL: https://gcc.gnu.org/viewcvs?rev=237254&root=gcc&view=rev
Log:
2016-06-09  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/71462
        * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
        removed blocks.

        * gcc.dg/torture/pr71462.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr71462.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-manip.c