trans.h (struct gfc_ss, [...]): Move shape field from the former struct to the latter.

trans.h (struct gfc_ss, [...]): Move shape field from the former struct to the latter.

	* trans.h (struct gfc_ss, struct gfc_array_info): Move shape field
	from the former struct to the latter.
	* trans-array.c (gfc_conv_ss_startstride, gfc_conv_loop_setup):
	Update field references.
	* trans-expr.c (gfc_trans_subarray_assign): Update field references
	and factor common reference chains.
	* trans-io.c (transfer_array_component): Ditto.

From-SVN: r180866