gcc/testsuite/g++.old-deja/g++.jason/enum.C

// PRMS Id: 4337
// Bug: Enums are not looked up to arbitrary depth.
// Build don't link:

struct W {
  enum A { B };
};

struct X : public W
{};

struct Y : public X
{};

struct S
{
  X::A a1;
  Y::A a2;			// gets bogus error - 
};