[Bug middle-end/78295] [7 Regression] Spurious -Wuninitialized warning for vector element assignment

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78295

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Nov 11 12:53:36 2016
New Revision: 242068

URL: https://gcc.gnu.org/viewcvs?rev=242068&root=gcc&view=rev
Log:
2016-11-11  Richard Biener  <rguent...@suse.de>

        PR middle-end/78295
        * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
        about uninitialized destination arg of BIT_INSERT_EXPR.

        * gcc.dg/uninit-pr78295.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/uninit-pr78295.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-uninit.c