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libcxx initial import

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant
2010-05-11 19:42:16 +00:00
commit bc8d3f97eb
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30
test/utilities/utility/declval/declval.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <utility>
// template <class T> typename add_rvalue_reference<T>::type declval() noexcept;
#include <utility>
#include <type_traits>
class A
{
A(const A&);
A& operator=(const A&);
};
int main()
{
#ifdef _LIBCPP_MOVE
static_assert((std::is_same<decltype(std::declval<A>()), A&&>::value), "");
#else
static_assert((std::is_same<decltype(std::declval<A>()), A>::value), "");
#endif
}