* parser.c (cp_lexer_peek_token, cp_lexer_consume_token):
Don't handle CPP_PRAGMA tokens specially.
(cp_lexer_handle_pragma): Use cp_lexer_consume_token. Don't
purge the token; do clear token->value after processing. Add
assertion at beginning that token->value is nonzero.
(cp_parser_statement, cp_parser_declaration_seq_opt): Handle
CPP_PRAGMA as a full statement or declaration in its own right.