1 // RUN: %clang_cc1 -std=c++11 -verify %s
2
3 using size_t = decltype(sizeof(int));
4 void operator "" wibble(const char *); // expected-warning {{user-defined literal suffixes not starting with '_' are reserved; no literal will invoke this operator}}
5 void operator "" wibble(const char *, size_t); // expected-warning {{user-defined literal suffixes not starting with '_' are reserved; no literal will invoke this operator}}
6
7 template<typename T>
f()8 void f() {
9 // A program containing a reserved ud-suffix is ill-formed.
10 123wibble; // expected-error {{invalid suffix 'wibble'}}
11 123.0wibble; // expected-error {{invalid suffix 'wibble'}}
12 const char *p = ""wibble; // expected-error {{invalid suffix on literal; C++11 requires a space between literal and identifier}} expected-error {{expected ';'}}
13 const char *q = R"x("hello")x"wibble; // expected-error {{invalid suffix on literal; C++11 requires a space between literal and identifier}} expected-error {{expected ';'}}
14 }
15