src/share/vm/prims/jvmtiRedefineClasses.cpp

*** 3990,4007 ****
    // should get cleared in the_class too.
    if (the_class->get_cached_class_file_bytes() == 0) {
      // the_class doesn't have a cache yet so copy it
      the_class->set_cached_class_file(scratch_class->get_cached_class_file());
    }
! #ifndef PRODUCT
!   else {
!     assert(the_class->get_cached_class_file_bytes() ==
!       scratch_class->get_cached_class_file_bytes(), "cache ptrs must match");
!     assert(the_class->get_cached_class_file_len() ==
!       scratch_class->get_cached_class_file_len(), "cache lens must match");
    }
- #endif
  
    // NULL out in scratch class to not delete twice.  The class to be redefined
    // always owns these bytes.
    scratch_class->set_cached_class_file(NULL);
  
--- 3990,4006 ----
    // should get cleared in the_class too.
    if (the_class->get_cached_class_file_bytes() == 0) {
      // the_class doesn't have a cache yet so copy it
      the_class->set_cached_class_file(scratch_class->get_cached_class_file());
    }
!   else if (scratch_class->get_cached_class_file_bytes() !=
!            the_class->get_cached_class_file_bytes()) {
!     // The same class can be present twice in the scratch classes list or there
!     // are multiple concurrent RetransformClasses calls on different threads.
!     // In such cases we have to deallocate scratch_class cached_class_file_bytes.
!     os::free(scratch_class->get_cached_class_file_bytes());
    }
  
    // NULL out in scratch class to not delete twice.  The class to be redefined
    // always owns these bytes.
    scratch_class->set_cached_class_file(NULL);