gcc/testsuite/g++.dg/overload/koenig1.C

// PR c++/9336
// Bug: The first, invalid call to f caused us to crash on the second,
// valid call.

namespace N {
  template <class T> void f (T);
  struct A;
}

struct B;

void g ()
{
  B *bp;
  N::A *ap;
  f (bp);			// { dg-error "undeclared" }
  f (ap);
}