[Bug c/67107] [6 Regression] ICE: SIGSEGV in tree_class_check with -frounding-math -funsafe-math-optimizations

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67107

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Aug  5 07:42:54 2015
New Revision: 226609

URL: https://gcc.gnu.org/viewcvs?rev=226609&root=gcc&view=rev
Log:
2015-08-05  Richard Biener  <rguenther@suse.de>

        PR middle-end/67107
        * match.pd: Guard const_binop result checking against NULL_TREE
        result.

        * gcc.dg/pr67107.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr67107.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/match.pd
    trunk/gcc/testsuite/ChangeLog