gcc/testsuite/g++.dg/warn/Wzero-as-null-pointer-constant-4.C

   1 // PR c++/51299
   2 // { dg-options "-Wzero-as-null-pointer-constant" }
   3
   4 class Base
   5 {
   6   public:
   7   virtual ~Base();
   8 };
   9
  10 class Derived : public Base
  11 {
  12 };
  13
  14 void foo(Base* b)
  15 {
  16   Derived* d = dynamic_cast<Derived*>(b);
  17 }
  18
  19 void bar(Base& b)
  20 {
  21   Derived& d = dynamic_cast<Derived&>(b);
  22 }