gcc/testsuite/obj-c++.dg/comp-types-8.mm

   1 /* { dg-do compile } */
   2
   3 /* We used to ICE because we removed the cast to List_linked*
   4    in -[ListIndex_linked next]. */
   5
   6 @interface List
   7 {
   8 @public
   9   int firstLink;
  10 }
  11 @end
  12
  13 @interface ListIndex_linked
  14 {
  15 @public
  16   List *collection;
  17   int link;
  18 }
  19 @end
  20
  21 @interface List_linked: List
  22 @end
  23
  24 @implementation List
  25 @end
  26
  27 @implementation ListIndex_linked
  28 - next
  29 {
  30    link = ((List_linked*)collection)->firstLink;
  31 }
  32 @end
  33