gcc/testsuite/gdc.test/fail_compilation/fail12636.d

   1 /*
   2 TEST_OUTPUT:
   3 ---
   4 fail_compilation/fail12636.d(13): Error: C++ class `fail12636.C` cannot implement D interface `fail12636.D`
   5 ---
   6 */
   7
   8 interface D
   9 {
  10     void foo();
  11 }
  12
  13 extern(C++) class C : D
  14 {
  15     extern(D) override void foo() { }
  16 }
  17
  18 void main()
  19 {
  20     auto c = new C;
  21     c.foo(); // works
  22     D d = c;
  23     d.foo(); // segfault
  24 }