clang/test/CXX/lex/lex.literal/lex.ext/p10.cpp

   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>
   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 }