ld/testsuite/ld-selective/3.cc

   1 struct A
   2 {
   3   virtual void foo();
   4   virtual void bar();
   5 };
   6
   7 void A::foo() { }                       // keep
   8 void A::bar() { }                       // lose
   9
  10 struct B : public A
  11 {
  12   virtual void foo();
  13 };
  14
  15 void B::foo() { }                       // keep
  16
  17 void _start() __asm__("_start");        // keep
  18
  19 A a;                                    // keep
  20 B b;
  21 A *getme() { return &a; }               // keep
  22
  23 void _start()
  24 {
  25   getme()->foo();
  26 #ifdef __GNUC__
  27 #if (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
  28 // gcc-2.95.2 gets this test wrong, and loses B::foo().
  29 // Cheat.  After all, we aren't trying to test the compiler here.
  30   b.foo();
  31 #endif
  32 #endif
  33 }
  34
  35 // In addition, keep A's virtual table.
  36
  37 // We'll wind up keeping `b' and thus B's virtual table because
  38 // `a' and `b' are both referenced from the constructor function.
  39
  40 extern "C" void __main() { }