[PR fortran/63865] OpenACC cache directive: match Fortran support with C/C++

[PR fortran/63865] OpenACC cache directive: match Fortran support with C/C++

	gcc/fortran/
	PR fortran/63865
	* openmp.c (resolve_oacc_cache): Remove function.
	(gfc_match_oacc_cache): Enable array sections.
	(resolve_omp_clauses, gfc_resolve_oacc_directive): Change
	accordingly.
	* trans-openmp.c (gfc_trans_omp_clauses): Likewise.
	gcc/testsuite/
	PR fortran/63865
	* gfortran.dg/goacc/coarray.f95: Expect the OpenACC cache
	directive to work.
	* gfortran.dg/goacc/loop-1.f95: Likewise.
	* gfortran.dg/goacc/cache-1.f95: Likewise, and extend testing.
	* gfortran.dg/goacc/cray.f95: Likewise.
	* gfortran.dg/goacc/parameter.f95: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229448 138bc75d-0d04-0410-961f-82ee72b054a4