re PR fortran/63858 (fixed form OpenACC directive ICE with -fopenacc -fopenmp)

re PR fortran/63858 (fixed form OpenACC directive ICE with -fopenacc -fopenmp)

	PR fortran/63858

	gcc/fortran/
	* scanner.c (skip_oacc_attribute): Remove continue_flag parameter.
	Rename as ...
	(skip_free_oacc_sentinel): ... this.
	(skip_omp_attribute): Remove continue_flag parameter. Rename as ...
	(skip_free_omp_sentinel): ... this.
	(skip_free_comments): Update to call skip_free_oacc_sentinel and
	skip_free_omp_sentinel.
	(skip_fixed_omp_sentinel): New function.
	(skip_fixed_oacc_sentinel): New function.
	(skip_fixed_comments): Fix mix of OpenACC and OpenMP sentinels in
	continuation.

	gcc/testsuite/
	* goacc/omp-fixed.f: New test.
	* goacc/omp.f95: Add check for mis-matched omp and acc continuations.

Co-Authored-By: Cesar Philippidis <cesar@codesourcery.com>
From-SVN: r230872