[Bug middle-end/66945] ICE in generic_simplify (generic-match.c:24790)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66945

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Jul 23 07:23:23 2015
New Revision: 226088

URL: https://gcc.gnu.org/viewcvs?rev=226088&root=gcc&view=rev
Log:
2015-07-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66945
        * tree-ssa-propagate.c (substitute_and_fold_dom_walker
        ::before_dom_children): Force the propagators idea of
        non-executable edges to materialize, not what the folder
        chooses.

        * gcc.dg/torture/pr66945.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr66945.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-propagate.c