[PR89433] Use 'oacc_verify_routine_clauses' for C/C++ OpenACC 'routine' directives

[PR89433] Use 'oacc_verify_routine_clauses' for C/C++ OpenACC 'routine' directives

	gcc/
	PR middle-end/89433
	* omp-general.c (oacc_build_routine_dims): Move some of its
	processing into...
	(oacc_verify_routine_clauses): ... this new function.
	* omp-general.h (oacc_verify_routine_clauses): New prototype.
	gcc/c/
	PR c/89433
	* c-parser.c (c_parser_oacc_routine): Normalize order of clauses.
	(c_finish_oacc_routine): Call oacc_verify_routine_clauses.
	gcc/cp/
	PR c++/89433
	* parser.c (cp_parser_oacc_routine)
	(cp_parser_late_parsing_oacc_routine): Normalize order of clauses.
	(cp_finalize_oacc_routine): Call oacc_verify_routine_clauses.
	gcc/testsuite/
	PR testsuite/89433
	* c-c++-common/goacc/routine-2.c: Update, and move some test
	into...
	* c-c++-common/goacc/routine-level-of-parallelism-1.c: ... this
	new file.

From-SVN: r271344