1*7704ba7fSYunzhong Gao // RUN: %clang_cc1 %s -verify -fsyntax-only -Wc++11-compat -std=c++98 24dd85d6fSRichard Smith 37ab47734SRichard Smith #define constexpr const 47ab47734SRichard Smith constexpr int x = 0; 57ab47734SRichard Smith #undef constexpr 64dd85d6fSRichard Smith 74dd85d6fSRichard Smith namespace lib { 84dd85d6fSRichard Smith struct nullptr_t; 94dd85d6fSRichard Smith typedef nullptr_t nullptr; // expected-warning {{'nullptr' is a keyword in C++11}} 104dd85d6fSRichard Smith } 114dd85d6fSRichard Smith 124dd85d6fSRichard Smith #define CONCAT(X,Y) CONCAT2(X,Y) 134dd85d6fSRichard Smith #define CONCAT2(X,Y) X ## Y 144dd85d6fSRichard Smith int CONCAT(constexpr,ession); 154dd85d6fSRichard Smith 164dd85d6fSRichard Smith #define ID(X) X 174dd85d6fSRichard Smith extern int ID(decltype); // expected-warning {{'decltype' is a keyword in C++11}} 184dd85d6fSRichard Smith 194dd85d6fSRichard Smith extern int CONCAT(align,of); // expected-warning {{'alignof' is a keyword in C++11}} 204dd85d6fSRichard Smith 214dd85d6fSRichard Smith #define static_assert(b, s) int CONCAT(check, __LINE__)[(b) ? 1 : 0]; 224dd85d6fSRichard Smith static_assert(1 > 0, "hello"); // ok 234dd85d6fSRichard Smith 244dd85d6fSRichard Smith #define IF_CXX11(CXX11, CXX03) CXX03 254dd85d6fSRichard Smith typedef IF_CXX11(char16_t, wchar_t) my_wide_char_t; // ok 264dd85d6fSRichard Smith 274dd85d6fSRichard Smith int alignas; // expected-warning {{'alignas' is a keyword in C++11}} 284dd85d6fSRichard Smith int alignof; // already diagnosed in this TU 294dd85d6fSRichard Smith int char16_t; // expected-warning {{'char16_t' is a keyword in C++11}} 304dd85d6fSRichard Smith int char32_t; // expected-warning {{'char32_t' is a keyword in C++11}} 314dd85d6fSRichard Smith int constexpr; // expected-warning {{'constexpr' is a keyword in C++11}} 324dd85d6fSRichard Smith int decltype; // already diagnosed in this TU 334dd85d6fSRichard Smith int noexcept; // expected-warning {{'noexcept' is a keyword in C++11}} 344dd85d6fSRichard Smith int nullptr; // already diagnosed in this TU 354dd85d6fSRichard Smith int static_assert; // expected-warning {{'static_assert' is a keyword in C++11}} 364dd85d6fSRichard Smith int thread_local; // expected-warning {{'thread_local' is a keyword in C++11}} 37