1 // RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s 2 3 using size_t = decltype(sizeof(int)); 4 5 template<typename T, typename U> struct same_type; 6 template<typename T> struct same_type<T, T> {}; 7 template<typename T> using X = T; 8 template<typename CharT, X<CharT>...> 9 int operator "" _x(); // expected-warning {{string literal operator templates are a GNU extension}} 10 template<char...> 11 double operator "" _x(); 12 13 auto a="string"_x; 14 auto b=42_x; 15 same_type<decltype(a), int> test_a; 16 same_type<decltype(b), double> test_b; 17 18 char operator "" _x(const char *begin, size_t size); 19 auto c="string"_x; 20 auto d=L"string"_x; 21 same_type<decltype(c), char> test_c; 22 same_type<decltype(d), int> test_d; 23
