*** 136,11 *** // these uses. assert(stack.is_empty(), ""); stack.push(initial, 1); Node* use = initial->raw_out(0); stack.push(use, 0); - while (!stack.is_empty()) { assert(stack.size() > 1, "at least initial + one use"); Node* n = stack.node(); uint current_size = stack.size(); --- 136,10 ---