clang/test/CXX/lex/lex.literal/lex.ext/p3.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
   2
   3 int &operator "" _x1 (unsigned long long);
   4 int &i1 = 0x123_x1;
   5
   6 double &operator "" _x1 (const char *);
   7 int &i2 = 45_x1;
   8
   9 template<char...> char &operator "" _x1 ();
  10 int &i3 = 0377_x1;
  11
  12 int &i4 = 90000000000000000000000000000000000000000000000_x1; // expected-error {{integer literal is too large to be represented in any integer type}}
  13
  14 double &operator "" _x2 (const char *);
  15 double &i5 = 123123123123123123123123123123123123123123123_x2;
  16
  17 template<char...Cs> constexpr int operator "" _x3() { return sizeof...(Cs); }
  18 static_assert(123456789012345678901234567890123456789012345678901234567890_x3 == 60, "");