These are the parts for the C/C++ front-ends. We now allow certain non-contiguous
cases under OpenACC, and pass the defined base/length pairs for each
array dimension as a TREE_LIST passed to the middle-end through OMP_CLAUSE_SIZE.

Thanks,
Chung-Lin

	gcc/c/
	* c-typeck.c (handle_omp_array_sections_1): Add 'bool &non_contiguous'
	parameter, adjust recursive call site, add cases for allowing
	pointer based multi-dimensional arrays for OpenACC.
	(handle_omp_array_sections): Adjust handle_omp_array_sections_1 call,
	handle non-contiguous case to create dynamic array map.

	gcc/cp/
	* semantics.c (handle_omp_array_sections_1): Add 'bool &non_contiguous'
	parameter, adjust recursive call site, add cases for allowing
	pointer based multi-dimensional arrays for OpenACC.
	(handle_omp_array_sections): Adjust handle_omp_array_sections_1 call,
	handle non-contiguous case to create dynamic array map.