Unnecessary checkcast in generated code

$ cat A.java
class A {
    void A(Object o) {
        int[] x = (int[]) o;
    }
}
$ javap -c A
Compiled from "A.java"
class A extends java.lang.Object{
A();
  Code:
   0: aload_0
   1: invokespecial #1; //Method java/lang/Object."<init>":()V
   4: return
 
void A(java.lang.Object);
  Code:
   0: aload_1
   1: checkcast #2; //class "[I"
   4: checkcast #2; //class "[I"
   7: astore_2
   8: return
 
}

###@###.### 2005-03-28 20:06:46 GMT