* parser.c (cp_parser_uncommitted_to_tentative_parse_p): New function.
	(cp_parser_name_lookup_error): Use it.
	(cp_parser_check_for_invalid_template_id): Likewise.
	(cp_parser_skip_to_closing_parenthesis): Likewise.
	(cp_parser_nested_name_specifier_opt): Likewise.
	(cp_parser_simple_declaration, cp_parser_template_id): Likewise.
	(cp_parser_parameter_declaration_list): Likewise.
	(cp_parser_parameter_declaration): Likewise.
	(cp_parser_template_name): Let cp_parser_simulate_error perform
	the checking.
	(cp_parser_committed_to_tentative_parse): Remove.

From-SVN: r92133