649e69dd22
GCC 4.9 seems to think that a constexpr default constructor implies the constructor to be noexcept. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@348850 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03
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// <utility>
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// template <class T1, class T2> struct pair
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// constexpr pair();
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#include <utility>
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#include <type_traits>
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struct ThrowingDefault {
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ThrowingDefault() { }
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};
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struct NonThrowingDefault {
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NonThrowingDefault() noexcept { }
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};
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int main() {
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static_assert(!std::is_nothrow_default_constructible<std::pair<ThrowingDefault, ThrowingDefault>>::value, "");
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static_assert(!std::is_nothrow_default_constructible<std::pair<NonThrowingDefault, ThrowingDefault>>::value, "");
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static_assert(!std::is_nothrow_default_constructible<std::pair<ThrowingDefault, NonThrowingDefault>>::value, "");
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static_assert( std::is_nothrow_default_constructible<std::pair<NonThrowingDefault, NonThrowingDefault>>::value, "");
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}
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