PR fortran/78866
	* openmp.c (resolve_omp_clauses): Diagnose assumed size arrays in
	OpenMP map, to and from clauses.
	* trans-openmp.c: Include diagnostic-core.h, temporarily redefining
	GCC_DIAG_STYLE to __gcc_tdiag__.
	(gfc_omp_finish_clause): Diagnose implicitly mapped assumed size
	arrays.

	* gfortran.dg/gomp/map-1.f90: Add expected error.
	* gfortran.dg/gomp/pr78866-1.f90: New test.
	* gfortran.dg/gomp/pr78866-2.f90: New test.

From-SVN: r243860