gdb/testsuite/gdb.cp/pr12028.cc

   1 class A{};
   2 class B{};
   3 class C: public B {};
   4
   5 namespace D{
   6   int foo (A) { return 11; }
   7   int foo (C) { return 12; }
   8 }
   9
  10 int main()
  11 {
  12   A a;
  13   B b;
  14   C c;
  15
  16   D::foo (a);
  17   //  D::foo (b);
  18   D::foo (c);
  19
  20   return 0;
  21 }