Remove the duplication in generated code regarding save to the stack and set method.
val x_0 = p1@642239bd.argss;
val x_1 = x_0(0);
val x_2 = x_1(0);
x@696076df.prepend(x_2);
val x_3 = p1@642239bd.argss;
val x_4 = x_3(0);
val x_5 = x_4(0);
val x_6= x_5.asInstanceOf[scala.Int];
methodArgsMut@7fcabbfc.:=(x_6);
val x_0 = p1@642239bd.argss;
val x_1 = x_0(0);
val x_2 = x_1(0);
x@696076df.prepend(x_2);
val x_3 = x_2.asInstanceOf[scala.Int];
methodArgsMut@7fcabbfc.:=(x_3);
Remove the duplication in generated code regarding save to the stack and set method.