* dependency.c (gfc_full_array_ref_p): Check that ref->next is NULL,
	i.e. that the ARRAY_REF doesn't mention components.
	* trans-array.c (gfc_constant_array_constructor_p): Export external
	function renamed from constant_array_constructor_p.
	(gfc_build_constant_array_constructor): Export.
	(gfc_trans_array_constructor): Update call to the renamed function
	constant_array_constructor_p.
	* trans-array.h (gfc_constant_array_constructor_p): Prototype here.
	(gfc_build_constant_array_constructor): Likewise.
	* trans-expr.c (gfc_build_memcpy_call): New helper function split
	out from gfc_trans_array_copy.
	(gfc_trans_array_copy): Use gfc_build_memcpy_call.
	(gfc_trans_array_constructor_copy): New function to optimize
	assigning an entire array from a constant array constructor.
	(gfc_trans_assignment): Call gfc_trans_array_constructor_copy
	when appropriate.

	* gfortran.dg/array_memcpy_3.f90: New test case.
	* gfortran.dg/vect/vect-5.f90: Update vectorized loop count.

From-SVN: r121010