1 // RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s 2 3 class A { 4 public: 5 A(): str() { } 6 A(const char *p) { } 7 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}} 8 A& operator+(const char *p) { return *this; } 9 A& operator+(char ch) { return *this; } 10 char * str; 11 }; 12 13 void f(const char *s) { 14 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 a = a + s + 'b'; // no-warning 16 17 char *str = 0; 18 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 20 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 22 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 24 wchar_t *wstr; 25 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 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 28 // no-warning 29 char c = 'c'; 30 str = str + c; 31 str = c + str; 32 } 33
