gdb/testsuite/gdb.cp/namespace-using.cc

   1 namespace A
   2 {
   3   int _a = 1;
   4   int x = 2;
   5 }
   6
   7 int marker4(){
   8         using A::x;
   9         return 0;
  10 }
  11
  12 int marker3(){
  13         return marker4();
  14 }
  15
  16 int marker2()
  17 {
  18   namespace B = A;
  19   B::_a;
  20   return marker3();
  21 }
  22
  23 int marker1()
  24 {
  25   int total = 0;
  26   {
  27     int b = 1;
  28     {
  29       using namespace A;
  30       int c = 2;
  31       {
  32         int d = 3;
  33         total = _a + b + c + d + marker2(); // marker1 stop
  34       }
  35     }
  36   }
  37   return total;
  38 }
  39
  40 int main()
  41 {
  42   using namespace A;
  43   _a;
  44   return marker1();
  45 }