merge Code gen field

Tests/A5/J1_01_basicTest.java

@@ -3,12 +3,12 @@ public class J1_01_basicTest {
     public J1_01_basicTest() {}
 
     public static int test() {
-        return J1_01_basicTest.test2();
+        return J1_01_basicTest.test2(4,5);
     }
 
-    public static int test2(){
+    public static int test2(int i, int j){
 	if (true)
-	    return 123;
-	return 7;
+	    return i;
+	return j;
     }
 }