70 lines · cpp
1// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s2//3// Note: [class.inhctor] was removed by P0136R1. This tests the new behavior4// for the wording that used to be there.5 6struct B1 {7 B1(int); // expected-note 3{{target of using}}8 B1(int, int); // expected-note 3{{target of using}}9};10struct D1 : B1 {11 using B1::B1;12};13D1 d1a(1), d1b(1, 1);14 15D1 fd1() { return 1; }16 17struct B2 {18 explicit B2(int, int = 0, int = 0); // expected-note {{not a candidate}}19};20struct D2 : B2 { // expected-note 2{{candidate constructor}}21 using B2::B2;22};23D2 d2a(1), d2b(1, 1), d2c(1, 1, 1);24 25D2 fd2() { return 1; } // expected-error {{no viable conversion}}26 27struct B3 {28 B3(void*); // expected-note {{candidate}}29};30struct D3 : B3 { // expected-note 2{{candidate constructor}}31 using B3::B3; // expected-note {{inherited here}}32};33D3 fd3() { return 1; } // expected-error {{no viable conversion}}34 35template<typename T> struct T1 : B1 {36 using B1::B1; // expected-note 2{{using declaration}}37};38template<typename T> struct T2 : T1<T> {39 using T1<int>::T1; // expected-note 2{{using declaration}}40};41template<typename T> struct T3 : T1<int> {42 using T1<T>::T1; // expected-note 2{{using declaration}}43};44struct U {45 // [dcl.meaning]p1: "the member shall not merely hav ebeen introduced by a46 // using-declaration in the scope of the class [...] nominated by the47 // nested-name-specifier of the declarator-id"48 friend T1<int>::T1(int); // expected-error {{cannot befriend target of using declaration}}49 friend T1<int>::T1(int, int); // expected-error {{cannot befriend target of using declaration}}50 friend T2<int>::T2(int); // expected-error {{cannot befriend target of using declaration}}51 friend T2<int>::T2(int, int); // expected-error {{cannot befriend target of using declaration}}52 friend T3<int>::T3(int); // expected-error {{cannot befriend target of using declaration}}53 friend T3<int>::T3(int, int); // expected-error {{cannot befriend target of using declaration}}54};55 56struct B4 {57 template<typename T> explicit B4(T, int = 0); // expected-note 2{{here}}58};59template<typename T> struct T4 : B4 {60 using B4::B4;61 template<typename U> T4(U);62};63template<typename T> struct U4 : T4<T> {64 using T4<T>::T4;65};66T4<void> t4a = {0};67T4<void> t4b = {0, 0}; // expected-error {{chosen constructor is explicit}}68U4<void> u4a = {0};69U4<void> u4b = {0, 0}; // expected-error {{chosen constructor is explicit}}70