// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s struct B1 { B1(int); B1(int, int); }; struct D1 : B1 { using B1::B1; }; D1 d1a(1), d1b(1, 1); D1 fd1() { return 1; } struct B2 { explicit B2(int, int = 0, int = 0); }; struct D2 : B2 { // expected-note 2 {{candidate constructor}} using B2::B2; }; D2 d2a(1), d2b(1, 1), d2c(1, 1, 1); D2 fd2() { return 1; } // expected-error {{no viable conversion}} struct B3 { B3(void*); // expected-note {{inherited from here}} }; struct D3 : B3 { // expected-note 2 {{candidate constructor}} using B3::B3; // expected-note {{candidate constructor (inherited)}} }; D3 fd3() { return 1; } // expected-error {{no viable conversion}} template<typename T> struct T1 : B1 { using B1::B1; }; template<typename T> struct T2 : T1<T> { using T1<int>::T1; }; template<typename T> struct T3 : T1<int> { using T1<T>::T1; }; struct U { friend T1<int>::T1(int); friend T1<int>::T1(int, int); friend T2<int>::T2(int); friend T2<int>::T2(int, int); friend T3<int>::T3(int); friend T3<int>::T3(int, int); }; struct B4 { template<typename T> explicit B4(T, int = 0); }; template<typename T> struct T4 : B4 { using B4::B4; // expected-note {{here}} template<typename U> T4(U); }; T4<void> t4a = {0}; T4<void> t4b = {0, 0}; // expected-error {{chosen constructor is explicit}}