[Bug tree-optimization/79955] GLIBC build fails after r245840

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79955

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Mar  8 14:10:47 2017
New Revision: 245976

URL: https://gcc.gnu.org/viewcvs?rev=245976&root=gcc&view=rev
Log:
2017-03-08  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/79955
        * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
        for accesses that are completely outside of the variable.

        * gcc.dg/uninit-24.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/uninit-24.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-uninit.c