[Bug tree-optimization/67915] ICE on valid code at -O2 and -O3 on x86_64-linux-gnu

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67915

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Oct 14 12:59:15 2015
New Revision: 228810

URL: https://gcc.gnu.org/viewcvs?rev=228810&root=gcc&view=rev
Log:
2015-10-14  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/67915
        * match.pd: Handle comparisons of addresses of STRING_CSTs.
        * gimplify.c (gimplify_cond_expr): Fold the GIMPLE conds we build.
        * tree-cfgcleanup.c (cleanup_control_expr_graph): Remove GENERIC
        stmt folding in favor of GIMPLE one.

        * gcc.dg/torture/pr67915.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr67915.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimplify.c
    trunk/gcc/match.pd
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-cfgcleanup.c