c++: Handle CPP_EMBED in cp_parser_objc_message_args [PR118586]

c++: Handle CPP_EMBED in cp_parser_objc_message_args [PR118586]

As the following testcases show, I forgot to handle CPP_EMBED in
cp_parser_objc_message_args which is another place which can parse
possibly long valid lists of CPP_COMMA separated CPP_NUMBER tokens.

2025-01-21  Jakub Jelinek  <jakub@redhat.com>

	PR objc++/118586
gcc/cp/
	* parser.cc (cp_parser_objc_message_args): Handle CPP_EMBED.
gcc/testsuite/
	* objc.dg/embed-1.m: New test.
	* obj-c++.dg/embed-1.mm: New test.
	* obj-c++.dg/va-meth-2.mm: New test.