SKIP: FAILED

void main_1() {
  bool2 x_14 = (false).xx;
  uint2 x_11 = (0u).xx;
  int2 x_12 = (0).xx;
  float2 x_13 = (0.0f).xx;
}

void main() {
  main_1();
}

