1b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smith// RUN: %clang_cc1 -std=gnu++11 -verify %s 2b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smith 3b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithtemplate<typename T, T... cs> struct check; // expected-note {{template is declared here}} expected-note {{template is declared here}} 4b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithtemplate<> 5b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithstruct check<char, 34, -47, -126, -48, -75, -47, -127, -47, -126, 32, -16, -112, -128, -128>{}; 6b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithtemplate<> 7b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithstruct check<char16_t, 34, 1090, 1077, 1089, 1090, 32, 55296, 56320>{}; 8b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithtemplate<> 9b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithstruct check<char32_t, 34, 1090, 1077, 1089, 1090, 32, 65536>{}; 10b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithtemplate<typename T, T... str> int operator""_x() { // #1 expected-warning {{string literal operator templates are a GNU extension}} 11b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smith check<T, str...> chars; // expected-error {{implicit instantiation of undefined template 'check<char, 't', 'e', 's', 't'>'}} expected-error {{implicit instantiation of undefined template 'check<char32_t, 34, 1090, 1077, 1089, 1090, 95, 65536>'}} 12b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smith return 1; 13b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smith} 14b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithvoid *operator""_x(const char*); // #2 15b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithvoid *a = 123_x; // ok, calls #2 16b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithint b = u8"\"тест ��"_x; // ok, calls #1 17b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithint c = u8R"("тест ��)"_x; // ok, calls #1 18b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithint d = "test"_x; // expected-note {{in instantiation of function template specialization 'operator "" _x<char, 't', 'e', 's', 't'>' requested here}} 19b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithint e = uR"("тест ��)"_x; 20b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithint f = UR"("тест ��)"_x; 21b328e29173d15baf3f44ccdc9c310ee741caaaf7Richard Smithint g = UR"("тест_��)"_x; // expected-note {{in instantiation of function template specialization 'operator "" _x<char32_t, 34, 1090, 1077, 1089, 1090, 95, 65536>' requested here}} 22