[Bug tree-optimization/82102] [8 Regression] ICE: Segmentation fault in /home/arnd/git/gcc/gcc/tree-ssa-pre.c:4863

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82102

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Sep  5 08:15:21 2017
New Revision: 251692

URL: https://gcc.gnu.org/viewcvs?rev=251692&root=gcc&view=rev
Log:
2017-09-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/82102
        * tree-ssa-pre.c (fini_eliminate): Check if lhs is NULL.

        * gcc.dg/torture/pr82102.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr82102.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c