1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s 2 3 // Straight from the standard 4 struct B1 { 5 B1(int); // expected-note {{previous constructor}} expected-note {{conflicting constructor}} 6 }; 7 struct B2 { 8 B2(int); // expected-note {{conflicting constructor}} 9 }; 10 struct D1 : B1, B2 { 11 using B1::B1; // expected-note {{inherited here}} 12 using B2::B2; // expected-error {{already inherited constructor with the same signature}} 13 }; 14 struct D2 : B1, B2 { 15 using B1::B1; 16 using B2::B2; 17 D2(int); 18 }; 19 20 template<typename T> struct B3 { 21 B3(T); // expected-note {{previous constructor}} 22 }; 23 template<typename T> struct B4 : B3<T>, B1 { 24 B4(); 25 using B3<T>::B3; // expected-note {{inherited here}} 26 using B1::B1; // expected-error {{already inherited}} 27 }; 28 B4<char> b4c; 29 B4<int> b4i; // expected-note {{here}} 30 31 struct B5 { 32 template<typename T> B5(T); // expected-note {{previous constructor}} 33 }; 34 struct B6 { 35 template<typename T> B6(T); // expected-note {{conflicting constructor}} 36 }; 37 struct B7 { 38 template<typename T, int> B7(T); 39 }; 40 struct D56 : B5, B6, B7 { 41 using B5::B5; // expected-note {{inherited here}} 42 using B6::B6; // expected-error {{already inherited}} 43 }; 44 struct D57 : B5, B6, B7 { 45 using B5::B5; 46 using B7::B7; // ok, not the same signature 47 }; 48