1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s 2 3 struct B1 { 4 B1(int); 5 B1(int, int); 6 }; 7 struct D1 : B1 { 8 using B1::B1; 9 }; 10 D1 d1a(1), d1b(1, 1); 11 12 D1 fd1() { return 1; } 13 14 struct B2 { 15 explicit B2(int, int = 0, int = 0); 16 }; 17 struct D2 : B2 { // expected-note 2 {{candidate constructor}} 18 using B2::B2; 19 }; 20 D2 d2a(1), d2b(1, 1), d2c(1, 1, 1); 21 22 D2 fd2() { return 1; } // expected-error {{no viable conversion}} 23 24 struct B3 { 25 B3(void*); // expected-note {{inherited from here}} 26 }; 27 struct D3 : B3 { // expected-note 2 {{candidate constructor}} 28 using B3::B3; // expected-note {{candidate constructor (inherited)}} 29 }; 30 D3 fd3() { return 1; } // expected-error {{no viable conversion}} 31 32 template<typename T> struct T1 : B1 { 33 using B1::B1; 34 }; 35 template<typename T> struct T2 : T1<T> { 36 using T1<int>::T1; 37 }; 38 template<typename T> struct T3 : T1<int> { 39 using T1<T>::T1; 40 }; 41 struct U { 42 friend T1<int>::T1(int); 43 friend T1<int>::T1(int, int); 44 friend T2<int>::T2(int); 45 friend T2<int>::T2(int, int); 46 friend T3<int>::T3(int); 47 friend T3<int>::T3(int, int); 48 }; 49 50 struct B4 { 51 template<typename T> explicit B4(T, int = 0); 52 }; 53 template<typename T> struct T4 : B4 { 54 using B4::B4; // expected-note {{here}} 55 template<typename U> T4(U); 56 }; 57 T4<void> t4a = {0}; 58 T4<void> t4b = {0, 0}; // expected-error {{chosen constructor is explicit}} 59
