const int keys = 10;
const int key[keys] = {6, key[1], 2, keys, 1, 7, 6, key[2], key[8]};
-void main()
-{ // { dg-error "" } return type for main
+void main() // { dg-error "must return .int" }
+{
for(int i = 0; i < keys;) std::cout << key[i++] << " ";
std::endl(std::cout);
}