/* Contributed by Nicola Pero , December 2010. */ /* { dg-do compile } */ /* This test tests you can not declare a class extension after the class @implementation. */ #include @interface MyObject { Class isa; } @end @implementation MyObject @end @interface MyObject () - (void) test; /* { dg-error "class extension for class .MyObject. declared after its ..implementation." } */ @end