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>{};
operator ""_x()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"\"тест ��"_x; // ok, calls #1
17 int c = u8R"("тест ��)"_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"("тест ��)"_x;
20 int f = UR"("тест ��)"_x;
21 int 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