1 // RUN: %clang_cc1 -std=c++98 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors 2 // RUN: %clang_cc1 -std=c++11 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors 3 // RUN: %clang_cc1 -std=c++14 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors 4 // RUN: %clang_cc1 -std=c++1z %s -verify -fexceptions -fcxx-exceptions -pedantic-errors 5 6 #if __cplusplus < 201103L 7 // expected-no-diagnostics 8 #endif 9 10 namespace std { 11 __extension__ typedef __SIZE_TYPE__ size_t; 12 13 template<typename T> struct initializer_list { 14 const T *p; size_t n; 15 initializer_list(const T *p, size_t n); 16 }; 17 } 18 19 namespace dr990 { // dr990: 3.5 20 #if __cplusplus >= 201103L 21 struct A { // expected-note 2{{candidate}} 22 A(std::initializer_list<int>); // expected-note {{candidate}} 23 }; 24 struct B { 25 A a; 26 }; 27 B b1 { }; 28 B b2 { 1 }; // expected-error {{no viable conversion from 'int' to 'dr990::A'}} 29 B b3 { { 1 } }; 30 31 struct C { 32 C(); 33 C(int); 34 C(std::initializer_list<int>) = delete; // expected-note {{here}} 35 }; 36 C c1[3] { 1 }; // ok 37 C c2[3] { 1, {2} }; // expected-error {{call to deleted}} 38 39 struct D { 40 D(); 41 D(std::initializer_list<int>); 42 D(std::initializer_list<double>); 43 }; 44 D d{}; 45 #endif 46 } 47 48 namespace dr948 { // dr948: 3.7 49 #if __cplusplus >= 201103L 50 class A { 51 public: 52 constexpr A(int v) : v(v) { } 53 constexpr operator int() const { return v; } 54 private: 55 int v; 56 }; 57 58 constexpr int id(int x) 59 { 60 return x; 61 } 62 63 void f() { 64 if (constexpr int i = id(101)) { } 65 switch (constexpr int i = id(2)) { default: break; case 2: break; } 66 for (; constexpr int i = id(0); ) { } 67 while (constexpr int i = id(0)) { } 68 69 if (constexpr A i = 101) { } 70 switch (constexpr A i = 2) { default: break; case 2: break; } 71 for (; constexpr A i = 0; ) { } 72 while (constexpr A i = 0) { } 73 } 74 #endif 75 } 76
