| 1 | // RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s |
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| 2 | |
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| 3 | class A { |
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| 4 | public: |
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| 5 | A(): str() { } |
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| 6 | A(const char *p) { } |
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| 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}} |
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| 8 | A& operator+(const char *p) { return *this; } |
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| 9 | A& operator+(char ch) { return *this; } |
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| 10 | char * str; |
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| 11 | }; |
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| 12 | |
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| 13 | void f(const char *s) { |
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| 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}} |
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| 15 | a = a + s + 'b'; // no-warning |
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| 16 | |
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| 17 | char *str = 0; |
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| 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}} |
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| 19 | |
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| 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}} |
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| 21 | |
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| 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}} |
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| 23 | |
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| 24 | wchar_t *wstr; |
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| 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}} |
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| 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}} |
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| 27 | |
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| 28 | // no-warning |
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| 29 | char c = 'c'; |
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| 30 | str = str + c; |
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| 31 | str = c + str; |
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| 32 | } |
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| 33 | |
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