[Bug tree-optimization/64312] [5 Regression] ICE: Segmentation fault

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64312

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Dec 15 18:33:16 2014
New Revision: 218756

URL: https://gcc.gnu.org/viewcvs?rev=218756&root=gcc&view=rev
Log:
2014-12-15  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/64312
    * tree-ssa-sccvn.c (vn_reference_lookup_pieces): Use
    vuse_ssa_val as callback to walk_non_aliased_vuses.
    (vn_reference_lookup): Likewise.

    * g++.dg/torture/pr64312.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr64312.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c