[Bug tree-optimization/69170] [6 Regression] ICE (segfault) in find_uses_to_rename_use

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69170

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Jan 18 09:14:14 2016
New Revision: 232496

URL: https://gcc.gnu.org/viewcvs?rev=232496&root=gcc&view=rev
Log:
2016-01-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69170
        * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
        building a vector from scalar results of a pattern stmt.

        * gcc.dg/torture/pr69170.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr69170.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-slp.c