/* Maybe promote to int. */
if (INTEGRAL_TYPE_P (var_type) && COMPLETE_TYPE_P (var_type)
- && INT_CST_LT_UNSIGNED (TYPE_SIZE (var_type),
- TYPE_SIZE (integer_type_node)))
+ && INT_CST_LT (TYPE_SIZE (var_type), TYPE_SIZE (integer_type_node)))
arg_type = integer_type_node;
else
arg_type = var_type;