[Bug tree-optimization/79276] [7 Regression] ICE: Segmentation fault in VRP pass

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79276

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Jan 30 14:24:37 2017
New Revision: 245026

URL: https://gcc.gnu.org/viewcvs?rev=245026&root=gcc&view=rev
Log:
2017-01-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79276
        * tree-vrp.c (process_assert_insertions): Properly adjust common
        when removing a duplicate.

        * gcc.dg/torture/pr79276.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr79276.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c