23 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s2 3using size_t = decltype(sizeof(int));4 5template<typename T, typename U> struct same_type;6template<typename T> struct same_type<T, T> {};7template<typename T> using X = T;8template<typename CharT, X<CharT>...>9int operator ""_x(); // expected-warning {{string literal operator templates are a GNU extension}}10template<char...>11double operator ""_x();12 13auto a="string"_x;14auto b=42_x;15same_type<decltype(a), int> test_a;16same_type<decltype(b), double> test_b;17 18char operator ""_x(const char *begin, size_t size);19auto c="string"_x;20auto d=L"string"_x;21same_type<decltype(c), char> test_c;22same_type<decltype(d), int> test_d;23