gcc/testsuite/g++.old-deja/g++.ns/overload4.C - gcc - Git at Google

 // Build don't link:
 namespace A{
   void f();   // ERROR - .*
 }

 using A::f;
 void f();     // ERROR - duplicate declaration
	// Build don't link:
	namespace A{
	void f(); // ERROR - .*
	}

	using A::f;
	void f(); // ERROR - duplicate declaration