[Bug tree-optimization/82603] [7/8 Regression] ICE in ifcvt_local_dce w/ -O2 -ftree-loop-vectorize

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82603

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Oct 20 11:19:03 2017
New Revision: 253932

URL: https://gcc.gnu.org/viewcvs?rev=253932&root=gcc&view=rev
Log:
2017-10-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/82603
        * tree-if-conv.c (predicate_mem_writes): Make sure to only
        remove false predicated stores.

        * gcc.dg/torture/pr82603.c: New testcase.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.dg/torture/pr82603.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/tree-if-conv.c