28 lines
779 B
C++
28 lines
779 B
C++
// RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin10.0.0 -o - %s | FileCheck %s
|
|
|
|
// PR7050
|
|
template<class T> struct X0 : public T { };
|
|
|
|
template <class T>
|
|
struct X1
|
|
{
|
|
static T & instance;
|
|
// include this to provoke instantiation at pre-execution time
|
|
static void use(T const &) {}
|
|
static T & get() {
|
|
static X0<T> t;
|
|
use(instance);
|
|
return static_cast<T &>(t);
|
|
}
|
|
};
|
|
|
|
// CHECK: @_ZN2X1I2X2I1BEE8instanceE = weak_odr global %struct.X2* null, align 8
|
|
// CHECJ: @_ZN2X1I2X2I1AEE8instanceE = weak_odr global %struct.X2* null, align 8
|
|
template<class T> T & X1<T>::instance = X1<T>::get();
|
|
|
|
class A { };
|
|
class B : public A { };
|
|
|
|
template<typename T> struct X2 {};
|
|
X2< B > bg = X1< X2< B > >::get();
|
|
X2< A > ag = X1< X2< A > >::get();
|