gcc/testsuite/g++.old-deja/g++.pt/memclass10.C - gcc - Git at Google

 // Build don't link:

 struct S1
 {
   template <class T>
   struct S2 {}; // ERROR - previous definition

   template <class T>
   struct S2 {}; // ERROR - redefinition
 };
	// Build don't link:

	struct S1
	{
	template <class T>
	struct S2 {}; // ERROR - previous definition

	template <class T>
	struct S2 {}; // ERROR - redefinition
	};