PR c++/36625

	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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158355 138bc75d-0d04-0410-961f-82ee72b054a4