1 // RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin10.0.0 -o - %s | FileCheck %s
2 
3 // PR7050
4 template<class T> struct X0 : public T { };
5 
6 template <class T>
7 struct X1
8 {
9      static T & instance;
10     // include this to provoke instantiation at pre-execution time
11     static void use(T const &) {}
12      static T & get() {
13         static X0<T> t;
14         use(instance);
15         return static_cast<T &>(t);
16     }
17 };
18 
19 // CHECK: @_ZN2X1I2X2I1BEE8instanceE = weak_odr global %struct.X2* null, align 8
20 // CHECJ: @_ZN2X1I2X2I1AEE8instanceE = weak_odr global %struct.X2* null, align 8
21 template<class T> T & X1<T>::instance = X1<T>::get();
22 
23 class A { };
24 class B : public A { };
25 
26 template<typename T> struct X2 {};
27 X2< B > bg = X1< X2< B > >::get();
28 X2< A > ag = X1< X2< A > >::get();
29