PR c++/36625
	* c-common.c (attribute_takes_identifier_p): New fn.
	* c-common.h: Declare it.
cp/
	* parser.c (cp_parser_parenthesized_expression_list): Change
	is_attribute_list parm to int to indicate whether or not to
	handle initial identifier specially.
	(cp_parser_attribute_list): Use attribute_takes_identifier_p.

From-SVN: r158355