1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s 2 3 using size_t = decltype(sizeof(int)); 4 void operator "" _x(const wchar_t *, size_t); 5 6 namespace std_example { 7 main()8int main() { 9 L"A" "B" "C"_x; 10 "P"_x "Q" "R"_y; // expected-error {{differing user-defined suffixes ('_x' and '_y') in string literal concatenation}} 11 } 12 13 } 14