IZ59145: NULL CHECK SKIPPED FOR ASTORE0

APAR status

• Closed as program error.

Error description

• Error Message: usually application doesn't change the this
  object within the method. However some vendor's code changed the
  this object to null. Since JIT assumes this object is not
  changed and it skipped the null check. If the application change
  the this object to null and then use the object, a crash would
  occur.
  .
  Stack Trace: N/A
  .
  This customer crashed in
  Compiled_method=com/aspose/words/CompositeNode.acceptChildren(Lc
  om/aspose/words/DocumentVisitor;)Z
  

Local fix

Problem summary

• usually application doesn't change the this object within the
  method. However some vendor's code changed the this object to
  null. Since JIT assumes this object is not changed and it
  skipped the null check. If the application change the this
  object to null and then use the object, a crash would occur.
  

Problem conclusion

• This defect will be fixed in:
  5.0.0 SR11
  6.0.0 SR6
  .
  shouldn't eliminate the null check
  .
  To obtain the fix:
  Install build 20090715 or later
  

Temporary fix

• N/A
  

Comments

APAR Information

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

  IZ59137

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

Fix information

• Fixed component name

  JIT

• Fixed component ID

  620700124

Applicable component levels

• R600 PSN

     UP