re PR fortran/13010 (seg fault on valid code)

re PR fortran/13010 (seg fault on valid code)

	PR fortran/13010
	* trans-array.c (gfc_trans_allocate_temp_array): Use gfc_get_dtype.
	(gfc_array_init_size, gfc_conv_expr_descriptor): Ditto.
	* trans-types.c (gfc_get_dtype): Accept array type rather than element
	type.
	(gfc_get_nodesc_array_type): Don't set GFC_TYPE_ARRAY_DTYPE.
	(gfc_get_array_type_bounds): Ditto.
	(gfc_get_derived_type): Recurse into derived type pointers.
	* trans-types.h (gfc_get_dtype): Add prototype.
	* trans.h (GFC_TYPE_ARRAY_DTYPE): Add comment.
testsuite/
	* gfortran.dg/der_pointer_1.f90: New test.

From-SVN: r90714