* cppinit.c (COMMAND_LINE_OPTIONS): Give all relevant -W

	* cppinit.c (COMMAND_LINE_OPTIONS): Give all relevant -W
	options their own entries.
	(parse_option): Clarify comment.
	(cpp_handle_option): Remove 'ignore' parameter and OPT_W
	special case.  Replace if/strcmp chain for -W options with
	use of new OPT_* entries for them.
	(cpp_handle_options): Update to match.
	* cpplib.h: Remove last parameter to cpp_handle_option from prototype.
	* c-decl.c, cp/decl2.c: Update call to cpp_handle_option.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54352 138bc75d-0d04-0410-961f-82ee72b054a4