1*67e74705SXin Li template<typename> struct MergeSpecializations; 2*67e74705SXin Li template<typename T> struct MergeSpecializations<T[]> { 3*67e74705SXin Li typedef int partially_specialized_in_c; 4*67e74705SXin Li }; 5*67e74705SXin Li template<> struct MergeSpecializations<bool> { 6*67e74705SXin Li typedef int explicitly_specialized_in_c; 7*67e74705SXin Li }; 8*67e74705SXin Li 9*67e74705SXin Li template<typename T> struct MergeTemplateDefinitions { 10*67e74705SXin Li static constexpr int f(); 11*67e74705SXin Li static constexpr int g(); 12*67e74705SXin Li }; 13*67e74705SXin Li template<typename T> constexpr int MergeTemplateDefinitions<T>::g() { return 2; } 14*67e74705SXin Li 15*67e74705SXin Li template<typename T1 = int> 16*67e74705SXin Li struct MergeAnonUnionMember { 17*67e74705SXin Li MergeAnonUnionMember() { (void)values.t1; } 18*67e74705SXin Li union { int t1; } values; 19*67e74705SXin Li }; 20*67e74705SXin Li inline MergeAnonUnionMember<> maum_c() { return {}; } 21*67e74705SXin Li 22*67e74705SXin Li template<typename T> struct DontWalkPreviousDeclAfterMerging { struct Inner { typedef T type; }; }; 23*67e74705SXin Li typedef DontWalkPreviousDeclAfterMerging<char>::Inner dwpdam_typedef; 24*67e74705SXin Li 25*67e74705SXin Li namespace TestInjectedClassName { 26*67e74705SXin Li template<typename T> struct X { X(); }; 27*67e74705SXin Li typedef X<char[3]> C; 28*67e74705SXin Li } 29