1f4a2713aSLionel Sambuc // RUN: %clang_cc1 -std=c++1y -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s 2f4a2713aSLionel Sambuc 3f4a2713aSLionel Sambuc // Check that we keep the 'extern' when we instantiate the definition of this 4f4a2713aSLionel Sambuc // variable template specialization. 5f4a2713aSLionel Sambuc template<typename T> extern const int extern_redecl; 6f4a2713aSLionel Sambuc template<typename T> const int extern_redecl = 5; 7f4a2713aSLionel Sambuc template const int extern_redecl<int>; 8f4a2713aSLionel Sambuc 9f4a2713aSLionel Sambuc // CHECK: @_Z13extern_redeclIiE = weak_odr constant 10f4a2713aSLionel Sambuc 11f4a2713aSLionel Sambuc template<typename T> struct Outer { 12f4a2713aSLionel Sambuc template<typename U> struct Inner { 13f4a2713aSLionel Sambuc template<typename V> static int arr[]; 14f4a2713aSLionel Sambuc }; 15f4a2713aSLionel Sambuc }; 16f4a2713aSLionel Sambuc Outer<char[100]> outer_int; 17f4a2713aSLionel Sambuc int init_arr(); 18f4a2713aSLionel Sambuc template<typename T> template<typename U> template<typename V> int Outer<T>::Inner<U>::arr[sizeof(T) + sizeof(U) + sizeof(V)] = { init_arr() }; 19f4a2713aSLionel Sambuc int *p = Outer<char[100]>::Inner<char[20]>::arr<char[3]>; 20f4a2713aSLionel Sambuc 21*0a6a1f1dSLionel Sambuc // CHECK: @_ZN5OuterIA100_cE5InnerIA20_cE3arrIA3_cEE = linkonce_odr global [123 x i32] zeroinitializer 22*0a6a1f1dSLionel Sambuc // CHECK: @_ZGVN5OuterIA100_cE5InnerIA20_cE3arrIA3_cEE = linkonce_odr global 23f4a2713aSLionel Sambuc 24f4a2713aSLionel Sambuc // CHECK: call {{.*}}@_Z8init_arrv 25