[Bug tree-optimization/67121] [6 Regression] wrong code at -O3 on x86_64-linux-gnu

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67121

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Aug  5 14:16:51 2015
New Revision: 226630

URL: https://gcc.gnu.org/viewcvs?rev=226630&root=gcc&view=rev
Log:
2015-08-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/67121
        * tree-if-conv.c (combine_blocks): Clear range-info produced
        by stmts no longer executed conditionally.

        * gcc.dg/torture/pr67121.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr67121.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-if-conv.c