p10.cpp revision e093404ee9fc6fc169304b51ec2f78ffafef16b9 
1// RUN: %clang_cc1 -std=c++11 -verify %s
2
3using size_t = decltype(sizeof(int));
4void operator "" wibble(const char *); // expected-warning {{user-defined literal suffixes not starting with '_' are reserved; no literal will invoke this operator}}
5void operator "" wibble(const char *, size_t); // expected-warning {{user-defined literal suffixes not starting with '_' are reserved; no literal will invoke this operator}}
6
7template<typename T>
8void 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