1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s 2*67e74705SXin Li 3*67e74705SXin Li class A { 4*67e74705SXin Li public: A()5*67e74705SXin Li A(): str() { } A(const char * p)6*67e74705SXin Li A(const char *p) { } A(char * p)7*67e74705SXin Li A(char *p) : str(p + 'a') { } // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} operator +(const char * p)8*67e74705SXin Li A& operator+(const char *p) { return *this; } operator +(char ch)9*67e74705SXin Li A& operator+(char ch) { return *this; } 10*67e74705SXin Li char * str; 11*67e74705SXin Li }; 12*67e74705SXin Li f(const char * s)13*67e74705SXin Livoid f(const char *s) { 14*67e74705SXin Li A a = s + 'a'; // // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} 15*67e74705SXin Li a = a + s + 'b'; // no-warning 16*67e74705SXin Li 17*67e74705SXin Li char *str = 0; 18*67e74705SXin Li char *str2 = str + 'c'; // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} 19*67e74705SXin Li 20*67e74705SXin Li const char *constStr = s + 'c'; // expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} 21*67e74705SXin Li 22*67e74705SXin Li str = 'c' + str;// expected-warning {{adding 'char' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} 23*67e74705SXin Li 24*67e74705SXin Li wchar_t *wstr; 25*67e74705SXin Li wstr = wstr + L'c'; // expected-warning {{adding 'wchar_t' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} 26*67e74705SXin Li str2 = str + u'a'; // expected-warning {{adding 'char16_t' to a string pointer does not append to the string}} expected-note {{use array indexing to silence this warning}} 27*67e74705SXin Li 28*67e74705SXin Li // no-warning 29*67e74705SXin Li char c = 'c'; 30*67e74705SXin Li str = str + c; 31*67e74705SXin Li str = c + str; 32*67e74705SXin Li } 33