libvtv/testsuite/libvtv.cc/thunk.cc

   1 // { dg-do run }
   2
   3 #include <assert.h>
   4 struct A {
   5   A():value(123) {}
   6     int value;
   7     virtual int access() { return this->value; }
   8 };
   9 struct B {
  10   B():value(456) {}
  11     int value;
  12     virtual int access() { return this->value; }
  13 };
  14 struct C : public A, public B {
  15   C():better_value(789) {}
  16     int better_value;
  17     virtual int access() { return this->better_value; }
  18 };
  19 struct D: public C {
  20   D():other_value(987) {}
  21   int other_value;
  22   virtual int access() { return this->other_value; }
  23 };
  24
  25 int use(B *b)
  26 {
  27     return b->access();
  28 }
  29
  30 int main()
  31 {
  32   C c;
  33   assert(use(&c) == 789);
  34   D d;
  35   assert(use(&d) == 987);
  36   return 0;
  37 }