clang/test/Lexer/cxx0x_keyword_as_cxx98.cpp

   1 // RUN: %clang_cc1 %s -verify -fsyntax-only -Wc++11-compat -std=c++98
   2
   3 #define constexpr const
   4 constexpr int x = 0;
   5 #undef constexpr
   6
   7 namespace lib {
   8   struct nullptr_t;
   9   typedef nullptr_t nullptr; // expected-warning {{'nullptr' is a keyword in C++11}}
  10 }
  11
  12 #define CONCAT(X,Y) CONCAT2(X,Y)
  13 #define CONCAT2(X,Y) X ## Y
  14 int CONCAT(constexpr,ession);
  15
  16 #define ID(X) X
  17 extern int ID(decltype); // expected-warning {{'decltype' is a keyword in C++11}}
  18
  19 extern int CONCAT(align,of); // expected-warning {{'alignof' is a keyword in C++11}}
  20
  21 #define static_assert(b, s) int CONCAT(check, __LINE__)[(b) ? 1 : 0];
  22 static_assert(1 > 0, "hello"); // ok
  23
  24 #define IF_CXX11(CXX11, CXX03) CXX03
  25 typedef IF_CXX11(char16_t, wchar_t) my_wide_char_t; // ok
  26
  27 int alignas; // expected-warning {{'alignas' is a keyword in C++11}}
  28 int alignof; // already diagnosed in this TU
  29 int char16_t; // expected-warning {{'char16_t' is a keyword in C++11}}
  30 int char32_t; // expected-warning {{'char32_t' is a keyword in C++11}}
  31 int constexpr; // expected-warning {{'constexpr' is a keyword in C++11}}
  32 int decltype; // already diagnosed in this TU
  33 int noexcept; // expected-warning {{'noexcept' is a keyword in C++11}}
  34 int nullptr; // already diagnosed in this TU
  35 int static_assert; // expected-warning {{'static_assert' is a keyword in C++11}}
  36 int thread_local; // expected-warning {{'thread_local' is a keyword in C++11}}