IZ63945: JAVAC NOT HONOURING A VALID CAST

APAR status

• Closed as program error.

Error description

• Error Message: The following cast is legal yet rejected:
  class X {
      static class BB<T, S> { }
      static class BD<T> extends BB<T, T> { }
      void f() {
          BB<? extends Number, ? super Integer> bb = null;
          Object o = (BD<Number>) bb; // <<warn>> <<todo:
  cast-infer>>
      }
  }
  .
  Stack Trace: N/A
  .
  

Local fix

• N/A
  

Problem summary

• javac code was not enabled to handle some legal casts
  

Problem conclusion

• This defect will be fixed in:
  5.0.0 SR11 FP1
  
  javac code is fixed to handle legal casts like that of shown in
  errorMessage above.
  
  To obtain the fix:
  Install build 20100110 or later
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  JAVA 5 CLASS LI

• Fixed component ID

  620500130

Applicable component levels

• R500 PSN

     UP