fix frame_alloc_area not setting a type size

ir/be/bespillslots.c

@@ -527,11 +527,6 @@ static ir_entity* create_stack_entity(be_fec_env_t *env, spill_slot_t *slot)
 	ir_type   *frame = get_irg_frame_type(irg);
 	ir_entity *res   = frame_alloc_area(frame, slot->size, slot->align,
 	                                    env->at_begin);
-
-	/* adjust size of the entity type... */
-	ir_type *enttype = get_entity_type(res);
-	set_type_size_bytes(enttype, slot->size);
-
 	slot->entity = res;
 
 	return res;

ir/tr/type.c

@@ -2061,6 +2061,7 @@ ir_entity *frame_alloc_area(ir_type *frame_type, int size, unsigned alignment,
 	tp = new_type_array(1, a_byte);
 	set_array_bounds_int(tp, 0, 0, size);
 	set_type_alignment_bytes(tp, alignment);
+	set_type_size_bytes(tp, size);
 
 	frame_size = get_type_size_bytes(frame_type);
 	if (at_start) {