* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_ORDER.
	* tree.c (omp_clause_num_ops, omp_clause_code_name): Add
	order clause entries.
	(walk_tree_1): Handle OMP_CLAUSE_ORDER.
	* tree-pretty-print.c (dump_omp_clause): Likewise.
	* gimplify.c (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses):
	Likewise.
	* omp-low.c (scan_sharing_clauses): Likewise.
	* tree-nested.c (convert_nonlocal_omp_clauses,
	convert_local_omp_clauses): Likewise.
c-family/
	* c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ORDER.
	* c-omp.c (c_omp_split_clauses): Handle splitting of OMP_CLAUSE_ORDER.
c/
	* c-parser.c (c_parser_omp_clause_name): Handle order clause.
	(c_parser_omp_clause_order): New function.
	(c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_ORDER.
	(OMP_SIMD_CLAUSE_MASK, OMP_FOR_CLAUSE_MASK): Add
	PRAGMA_OMP_CLAUSE_ORDER.
	* c-typeck.c (c_finish_omp_clauses): Handle OMP_CLAUSE_ORDER.
cp/
	* parser.c (cp_parser_omp_clause_name): Handle order clause.
	(cp_parser_omp_clause_order): New function.
	(cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_ORDER.
	(OMP_SIMD_CLAUSE_MASK, OMP_FOR_CLAUSE_MASK): Add
	PRAGMA_OMP_CLAUSE_ORDER.
	* semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_ORDER.
	* pt.c (tsubst_omp_clauses): Likewise.
testsuite/
	* c-c++-common/gomp/order-1.c: New test.
	* c-c++-common/gomp/order-2.c: New test.

From-SVN: r273431