29 lines · cpp
1// RUN: %clang_cc1 -verify %s2// RUN: %clang_cc1 -verify -std=c++98 %s3// RUN: %clang_cc1 -verify -std=c++11 %s4 5class A {6public:7 explicit A();8 9 explicit operator int();10#if __cplusplus <= 199711L // C++03 or earlier modes11 // expected-warning@-2 {{explicit conversion functions are a C++11 extension}}12#endif13 14 explicit void f0(); // expected-error {{'explicit' can only be applied to a constructor or conversion function}}15 16 operator bool();17};18 19explicit A::A() { } // expected-error {{'explicit' can only be specified inside the class definition}}20explicit A::operator bool() { return false; }21#if __cplusplus <= 199711L // C++03 or earlier modes22// expected-warning@-2 {{explicit conversion functions are a C++11 extension}}23#endif24// expected-error@-4 {{'explicit' can only be specified inside the class definition}}25 26class B {27 friend explicit A::A(); // expected-error {{'explicit' is invalid in friend declarations}}28};29