2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* c.opt (Waddress): New.
	* common.opt (Walways-true): Delete.
	(Wstring-literal-comparison): Delete.
	* doc/invoke.texi (Warning Options): Delete -Walways-true and
	-Wstring-literal-comparison. Add -Waddress.
	(Waddress): New.
	(Walways-true): Delete.
	(Wstring-literal-comparison): Delete.
	* doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
	consistently instead of -Walways-true in example.
	* c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
	* c-typeck.c (parser_build_binary_op): Replace
	-Wstring-literal-comparison and -Walways-true with -Waddress.
	* c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
	with -Waddress.

cp/
	* typeck.c (build_binary_op): Replace -Wstring-literal-comparison
	and -Walways-true with -Waddress.
	* cvt.c (convert_to_void): Replace unconditional warning with
	-Waddress.

testsuite/
	* gcc.dg/20031012-1.c: Replace -Walways-true with -Waddress.
	* gcc.dg/Walways-true-1.c: Likewise.
	* gcc.dg/weak/weak-3.c: Likewise.
	* gcc.dg/Werror-1.c: Likewise.
	* gcc.dg/Werror-3.c: Likewise.
	* gcc.dg/Werror-4.c: Likewise.
	* gcc.dg/Werror-5.c: Likewise.
	* gcc.dg/Werror-6.c: Likewise.
	* gcc.dg/Werror-7.c: Likewise.
	* gcc.dg/Werror-8.c: Likewise.
	* gcc.dg/Werror-10.c: Likewise.
	* gcc.dg/Werror-11.c: Likewise.
	* gcc.dg/Werror-12.c: Likewise.
	* g++.old-deja/g++.mike/warn8.C: Likewise.
	* g++.dg/warn/Walways-true-1.C: Likewise.
	* g++.dg/warn/Walways-true-2.C: Likewise.
	* g++.dg/warn/noeffect8.C: Warn only with -Waddress.
	* g++.dg/warn/Wstring-literal-comparison-1.C: Replace
	-Wstring-literal-comparison with -Waddress.
	* gcc.dg/Wstring-literal-comparison-4.c: Replace
	-Wno-string-literal-comparison with -Wno-address.

From-SVN: r122136