gcc-4.9/gcc/testsuite/g++.dg/warn/Wzero-as-null-pointer-constant-4.C


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// PR c++/51299
// { dg-options "-Wzero-as-null-pointer-constant" }

class Base
{
  public:
  virtual ~Base();
};

class Derived : public Base
{
};

void foo(Base* b)
{
  Derived* d = dynamic_cast<Derived*>(b);
}

void bar(Base& b)
{
  Derived& d = dynamic_cast<Derived&>(b);
}