r238560 - in /trunk/gcc: c-family/ChangeLog c-f...

[jason@gcc.gnu.org]

Author: jason
Date: Thu Jul 21 06:05:39 2016
New Revision: 238560

URL: https://gcc.gnu.org/viewcvs?rev=238560&root=gcc&view=rev
Log:
	PR c++/65168 - -Waddress in unevaluated context.

gcc/c-family/
	* c-common.c (c_common_truthvalue_conversion): Check
	c_inhibit_evaluation_warnings for warning about address of
	reference.
gcc/cp/
	* typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
	Don't set c_inhibit_evaluation_warnings.

Added:
    trunk/gcc/testsuite/g++.dg/warn/Waddress-3.C
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.c
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/typeck.c
    trunk/gcc/testsuite/g++.dg/warn/Walways-true-1.C
    trunk/gcc/testsuite/g++.dg/warn/Walways-true-2.C