1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s 2 3 struct one { char c; }; 4 struct two { char c[2]; }; 5 6 namespace reference { 7 struct A { 8 int i1, i2; 9 }; 10 11 void single_init() { 12 const int &cri1a = {1}; 13 const int &cri1b{1}; 14 15 int i = 1; 16 int &ri1a = {i}; 17 int &ri1b{i}; 18 19 int &ri2 = {1}; // expected-error {{cannot bind to an initializer list temporary}} 20 21 A a{1, 2}; 22 A &ra1a = {a}; 23 A &ra1b{a}; 24 } 25 26 void reference_to_aggregate() { 27 const A &ra1{1, 2}; 28 A &ra2{1, 2}; // expected-error {{cannot bind to an initializer list temporary}} 29 30 const int (&arrayRef)[] = {1, 2, 3}; 31 static_assert(sizeof(arrayRef) == 3 * sizeof(int), "bad array size"); 32 } 33 34 struct B { 35 int i1; 36 }; 37 38 void call() { 39 void f(const int&); 40 f({1}); 41 42 void g(int&); // expected-note {{passing argument}} 43 g({1}); // expected-error {{cannot bind to an initializer list temporary}} 44 int i = 0; 45 g({i}); 46 47 void h(const B&); 48 h({1}); 49 50 void a(B&); // expected-note {{passing argument}} 51 a({1}); // expected-error {{cannot bind to an initializer list temporary}} 52 B b{1}; 53 a({b}); 54 } 55 56 void overloading() { 57 one f(const int&); 58 two f(const B&); 59 60 // First is identity conversion, second is user-defined conversion. 61 static_assert(sizeof(f({1})) == sizeof(one), "bad overload resolution"); 62 63 one g(int&); 64 two g(const B&); 65 66 static_assert(sizeof(g({1})) == sizeof(two), "bad overload resolution"); 67 68 one h(const int&); 69 two h(const A&); 70 71 static_assert(sizeof(h({1, 2})) == sizeof(two), "bad overload resolution"); 72 } 73 74 void edge_cases() { 75 // FIXME: very poor error message 76 int const &b({0}); // expected-error {{could not bind}} 77 } 78 79 } 80 81 namespace PR12182 { 82 void f(int const(&)[3]); 83 84 void g() { 85 f({1, 2}); 86 } 87 } 88
