private MethodType BindArgumentType(BoundMethodHandle mh, int pos, BasicType bt)
{
assert(mh.Form == LambdaForm);
assert(mh.Form.Names[1 + pos].Type_Renamed == bt);
assert(BasicType.basicType(mh.Type().ParameterType(pos)) == bt);
return(mh.Type().DropParameterTypes(pos, pos + 1));
}