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}} 37
