2002-03-22  Phil Edwards  <pme@gcc.gnu.org>

	* cpplib.h (struct cpp_options):  New member, warn_endif_labels.
	* cppinit.c (cpp_create_reader):  On by default.
	(cpp_handle_option):  Handle -W[no-]endif-labels.
	(cpp_post_options):  Also enable if -pedantic.
	* cpplib.c (do_else):  Use it.
	(do_endif):  Likewise.
	* doc/cppopts.texi:  Document new option.
	* doc/invoke.texi:  Document new option.

From-SVN: r51190