llvm-project/clang/test/Lexer/cxx0x_keyword_as_cxx98.cpp
Yunzhong Gao 7704ba7f97 [Tests] Add explicit -std=lang option to a number of tests.
This patch should not change the test results, but it is useful if clang's
default C++ language is ever changed from gnu++98.

Patch by: Charles Li

http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20150727/134667.html

llvm-svn: 243819
2015-08-01 02:55:59 +00:00

37 lines
1.4 KiB
C++

// RUN: %clang_cc1 %s -verify -fsyntax-only -Wc++11-compat -std=c++98
#define constexpr const
constexpr int x = 0;
#undef constexpr
namespace lib {
struct nullptr_t;
typedef nullptr_t nullptr; // expected-warning {{'nullptr' is a keyword in C++11}}
}
#define CONCAT(X,Y) CONCAT2(X,Y)
#define CONCAT2(X,Y) X ## Y
int CONCAT(constexpr,ession);
#define ID(X) X
extern int ID(decltype); // expected-warning {{'decltype' is a keyword in C++11}}
extern int CONCAT(align,of); // expected-warning {{'alignof' is a keyword in C++11}}
#define static_assert(b, s) int CONCAT(check, __LINE__)[(b) ? 1 : 0];
static_assert(1 > 0, "hello"); // ok
#define IF_CXX11(CXX11, CXX03) CXX03
typedef IF_CXX11(char16_t, wchar_t) my_wide_char_t; // ok
int alignas; // expected-warning {{'alignas' is a keyword in C++11}}
int alignof; // already diagnosed in this TU
int char16_t; // expected-warning {{'char16_t' is a keyword in C++11}}
int char32_t; // expected-warning {{'char32_t' is a keyword in C++11}}
int constexpr; // expected-warning {{'constexpr' is a keyword in C++11}}
int decltype; // already diagnosed in this TU
int noexcept; // expected-warning {{'noexcept' is a keyword in C++11}}
int nullptr; // already diagnosed in this TU
int static_assert; // expected-warning {{'static_assert' is a keyword in C++11}}
int thread_local; // expected-warning {{'thread_local' is a keyword in C++11}}