[Bug tree-optimization/66422] [5/6 Regression] -Warray-bounds false positive with -O3

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66422

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Jun  8 14:53:19 2015
New Revision: 224235

URL: https://gcc.gnu.org/viewcvs?rev=224235&root=gcc&view=rev
Log:
2015-06-08  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/66422
        * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Split
        block after inserted gcc_unreachable.

        * gcc.dg/Warray-bounds-16.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/Warray-bounds-16.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-ivcanon.c