r196973 - in /branches/gcc-4_8-branch/gcc: cp/C...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Mar 22 15:54:37 2013
New Revision: 196973

URL: http://gcc.gnu.org/viewcvs?rev=196973&root=gcc&view=rev
Log:
	Backported from mainline
	2013-03-16  Jakub Jelinek  <jakub@redhat.com>

	PR c++/56607
	* typeck.c (cp_build_binary_op): When calling warn_for_div_by_zero,
	pass op1 through maybe_constant_value first.

	* g++.dg/warn/Wdiv-by-zero-2.C: New test.
	* c-c++-common/pr56607.c: New test.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/c-c++-common/pr56607.c
    branches/gcc-4_8-branch/gcc/testsuite/g++.dg/warn/Wdiv-by-zero-2.C
Modified:
    branches/gcc-4_8-branch/gcc/cp/ChangeLog
    branches/gcc-4_8-branch/gcc/cp/typeck.c
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog