cpp

for (int i = 0; i < n1; ++i) {
    [&] {
      for (int j = 0; j < n2; ++j) {
        for (int k = 0; k < n3; ++k) {
          return; // yay we're breaking out of 2 loops here
        }
      }
    }();
  }

 for (int i = 0; i < n1; ++i) {

      for (int j = 0; j < n2; ++j) {
        for (int k = 0; k < n3; ++k) {
          goto mainloop;
        }
      }
      mainloop :

  }