parser.c (cp_parser_omp_clause_name): Add auto, gang, seq, vector, worker.

parser.c (cp_parser_omp_clause_name): Add auto, gang, seq, vector, worker.

	gcc/cp/
	* parser.c (cp_parser_omp_clause_name): Add auto, gang, seq,
	vector, worker.
	(cp_parser_oacc_simple_clause): New.
	(cp_parser_oacc_shape_clause): New.
	(cp_parser_oacc_all_clauses): Add auto, gang, seq, vector, worker.
	(OACC_LOOP_CLAUSE_MASK): Likewise.
	* semantics.c (finish_omp_clauses): Add auto, gang, seq, vector,
	worker. Unify the handling of teams, tasks and vector_length with
	the other loop shape clauses.

	gcc/testsuite/
	* g++.dg/g++.dg/gomp/pr33372-1.C: Adjust diagnostic.
	* gcc/testsuite/g++.dg/gomp/pr33372-3.C: Likewise.

From-SVN: r229460