r214711 - in /branches/google/gcc-4_9/gcc: cpro...

[eraman@gcc.gnu.org]

Author: eraman
Date: Fri Aug 29 02:34:48 2014
New Revision: 214711

URL: https://gcc.gnu.org/viewcvs?rev=214711&root=gcc&view=rev
Log:

2014-08-28  Easwaran Raman <eraman@google.com>

        Google ref b/16870586.

        * cprop.c (try_replace_reg): Remove REG_EQUAL note when a constant is
        propagated into the src of an assignment.

	testsuite/ChangeLog:

        * testsuite/g++.dg/opt/pr62146.C: New.

Added:
    branches/google/gcc-4_9/gcc/testsuite/g++.dg/opt/pr62146.C
Modified:
    branches/google/gcc-4_9/gcc/cprop.c