1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 template<typename T, typename U = const T> struct Def1; 3 4 template<> struct Def1<int> { 5 void foo(); 6 }; 7 8 template<> struct Def1<const int> { // expected-note{{previous definition is here}} 9 void bar(); 10 }; 11 12 template<> struct Def1<int&> { 13 void wibble(); 14 }; 15 16 void test_Def1(Def1<int, const int> *d1, Def1<const int, const int> *d2, 17 Def1<int&, int&> *d3) { 18 d1->foo(); 19 d2->bar(); 20 d3->wibble(); 21 } 22 23 template<typename T, // FIXME: bad error message below, needs better location info 24 typename T2 = const T*> // expected-error{{'T2' declared as a pointer to a reference}} 25 struct Def2; 26 27 template<> struct Def2<int> { 28 void foo(); 29 }; 30 31 void test_Def2(Def2<int, int const*> *d2) { 32 d2->foo(); 33 } 34 35 typedef int& int_ref_t; 36 Def2<int_ref_t> *d2; // expected-note{{in instantiation of default argument for 'Def2<int &>' required here}} 37 38 39 template<> struct Def1<const int, const int> { }; // expected-error{{redefinition of 'Def1<const int>'}} 40 41 template<typename T, typename T2 = T&> struct Def3; 42 43 template<> struct Def3<int> { 44 void foo(); 45 }; 46 47 template<> struct Def3<int&> { 48 void bar(); 49 }; 50 51 void test_Def3(Def3<int, int&> *d3a, Def3<int&, int&> *d3b) { 52 d3a->foo(); 53 d3b->bar(); 54 } 55 56 57 template<typename T, typename T2 = T[]> struct Def4; 58 59 template<> struct Def4<int> { 60 void foo(); 61 }; 62 63 void test_Def4(Def4<int, int[]> *d4a) { 64 d4a->foo(); 65 } 66 67 template<typename T, typename T2 = T const[12]> struct Def5; 68 69 template<> struct Def5<int> { 70 void foo(); 71 }; 72 73 template<> struct Def5<int, int const[13]> { 74 void bar(); 75 }; 76 77 void test_Def5(Def5<int, const int[12]> *d5a, Def5<int, const int[13]> *d5b) { 78 d5a->foo(); 79 d5b->bar(); 80 } 81 82 template<typename R, typename Arg1, typename Arg2 = Arg1, 83 typename FuncType = R (*)(Arg1, Arg2)> 84 struct Def6; 85 86 template<> struct Def6<int, float> { 87 void foo(); 88 }; 89 90 template<> struct Def6<bool, int[5], float(double, double)> { 91 void bar(); 92 }; 93 94 bool test_Def6(Def6<int, float, float> *d6a, 95 Def6<int, float, float, int (*)(float, float)> *d6b, 96 Def6<bool, int[5], float(double, double), 97 bool(*)(int*, float(*)(double, double))> *d6c) { 98 d6a->foo(); 99 d6b->foo(); 100 d6c->bar(); 101 return d6a == d6b; 102 } 103
