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