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