Fix CVE-2019-13225: problem in converting if-then-else pattern to bytecode.
is_equal_mml(MinMax* a, MinMax* b)
{
  return a->min == b->min && a->max == b->max;
}

is_equal_mml(MinMax* a, MinMax* b)
{
  return a->min == b->min && a->max == b->max;
}
