re PR fortran/84141 (Internal error: type_name(): Bad type)

re PR fortran/84141 (Internal error: type_name(): Bad type)

2018-02-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/84141
	PR fortran/84155
	* trans-array.c (gfc_array_init_size): Revert the change made
	in revision 257356 setting the dtype.
	* trans-types.c (gfc_get_dtype): Do not use the cached dtype.
	Call gfc_get_dtype_rank_type every time.

	PR fortran/56691
	* trans-array.c (gfc_conv_expr_descriptor): If the source array
	is a descriptor type, use its offset, removing the condition
	that is be a class expression.

2018-02-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/56691
	* gfortran.dg/type_to_class_4.f03: New test.

From-SVN: r257550