1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s 2 3 namespace std { 4 typedef decltype(sizeof(int)) size_t; 5 6 template <typename E> 7 struct initializer_list 8 { 9 const E *p; 10 size_t n; initializer_liststd::initializer_list11 initializer_list(const E *p, size_t n) : p(p), n(n) {} 12 }; 13 14 struct string { 15 string(const char *); 16 }; 17 18 template<typename A, typename B> 19 struct pair { 20 pair(const A&, const B&); 21 }; 22 } 23 24 namespace bullet2 { 25 double ad[] = { 1, 2.0 }; 26 int ai[] = { 1, 2.0 }; // expected-error {{type 'double' cannot be narrowed to 'int' in initializer list}} expected-note {{override}} 27 28 struct S2 { 29 int m1; 30 double m2, m3; 31 }; 32 33 S2 s21 = { 1, 2, 3.0 }; 34 S2 s22 { 1.0, 2, 3 }; // expected-error {{type 'double' cannot be narrowed to 'int' in initializer list}} expected-note {{override}} 35 S2 s23 { }; 36 } 37 38 namespace bullet4_example1 { 39 struct S { Sbullet4_example1::S40 S(std::initializer_list<double> d) {} Sbullet4_example1::S41 S(std::initializer_list<int> i) {} Sbullet4_example1::S42 S() {} 43 }; 44 45 S s1 = { 1.0, 2.0, 3.0 }; 46 S s2 = { 1, 2, 3 }; 47 S s3 = { }; 48 } 49 50 namespace bullet4_example2 { 51 struct Map { Mapbullet4_example2::Map52 Map(std::initializer_list<std::pair<std::string,int>>) {} 53 }; 54 55 Map ship = {{"Sophie",14}, {"Surprise",28}}; 56 } 57 58 namespace bullet4_example3 { 59 struct S { Sbullet4_example3::S60 S(int, double, double) {} Sbullet4_example3::S61 S() {} 62 }; 63 64 S s1 = { 1, 2, 3.0 }; 65 // FIXME: This is an ill-formed narrowing initialization. 66 S s2 { 1.0, 2, 3 }; 67 S s3 {}; 68 } 69 70 namespace bullet5 { 71 struct S { Sbullet5::S72 S(std::initializer_list<double>) {} Sbullet5::S73 S(const std::string &) {} 74 }; 75 76 const S& r1 = { 1, 2, 3.0 }; 77 const S& r2 = { "Spinach" }; 78 S& r3 = { 1, 2, 3 }; // expected-error {{non-const lvalue reference to type 'bullet5::S' cannot bind to an initializer list temporary}} 79 const int& i1 = { 1 }; 80 const int& i2 = { 1.1 }; // expected-error {{type 'double' cannot be narrowed to 'int' in initializer list}} expected-note {{override}} expected-warning {{implicit conversion}} 81 const int (&iar)[2] = { 1, 2 }; 82 } 83 84 namespace bullet6 { 85 int x1 {2}; 86 int x2 {2.0}; // expected-error {{type 'double' cannot be narrowed to 'int' in initializer list}} expected-note {{override}} 87 } 88 89 namespace bullet7 { 90 int** pp {}; 91 } 92 93 namespace bullet8 { 94 struct A { int i; int j; }; 95 A a1 { 1, 2 }; 96 A a2 { 1.2 }; // expected-error {{type 'double' cannot be narrowed to 'int' in initializer list}} expected-note {{override}} expected-warning {{implicit conversion}} 97 98 struct B { Bbullet8::B99 B(std::initializer_list<int> i) {} 100 }; 101 B b1 { 1, 2 }; 102 B b2 { 1, 2.0 }; 103 104 struct C { Cbullet8::C105 C(int i, double j) {} 106 }; 107 C c1 = { 1, 2.2 }; 108 // FIXME: This is an ill-formed narrowing initialization. 109 C c2 = { 1.1, 2 }; // expected-warning {{implicit conversion}} 110 111 int j { 1 }; 112 int k { }; 113 } 114