generic-library/cxx
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Fix several tuple bugs that were exposed by clang's implementation of CWG 1402. This fixes http://llvm.org/bugs/show_bug.cgi?id=17798.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@194154 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant 2013-11-06 17:45:43 +00:00
parent ecc8d7b334
commit 3de5086dc7
1 changed files with 19 additions and 8 deletions
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27
include/tuple
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@ -270,7 +270,7 @@ public:
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR_AFTER_CXX11
__tuple_leaf(__tuple_leaf&& __t) _NOEXCEPT_(is_nothrow_move_constructible<_Hp>::value)
: value(_VSTD::move(__t.get()))
: value(_VSTD::forward<_Hp>(__t.get()))
{}
template <class _Tp>
@ -457,13 +457,24 @@ struct __tuple_impl<__tuple_indices<_Indx...>, _Tp...>
return *this;
}
_LIBCPP_INLINE_VISIBILITY
__tuple_impl&
operator=(const __tuple_impl& __t) _NOEXCEPT_((__all<is_nothrow_copy_assignable<_Tp>::value...>::value))
{
__swallow(__tuple_leaf<_Indx, _Tp>::operator=(static_cast<const __tuple_leaf<_Indx, _Tp>&>(__t).get())...);
return *this;
}
__tuple_impl(const __tuple_impl&) = default;
__tuple_impl(__tuple_impl&&) = default;
_LIBCPP_INLINE_VISIBILITY
__tuple_impl&
operator=(const __tuple_impl& __t) _NOEXCEPT_((__all<is_nothrow_copy_assignable<_Tp>::value...>::value))
{
__swallow(__tuple_leaf<_Indx, _Tp>::operator=(static_cast<const __tuple_leaf<_Indx, _Tp>&>(__t).get())...);
return *this;
}
_LIBCPP_INLINE_VISIBILITY
__tuple_impl&
operator=(__tuple_impl&& __t) _NOEXCEPT_((__all<is_nothrow_move_assignable<_Tp>::value...>::value))
{
__swallow(__tuple_leaf<_Indx, _Tp>::operator=(_VSTD::forward<_Tp>(static_cast<__tuple_leaf<_Indx, _Tp>&>(__t).get()))...);
return *this;
}
_LIBCPP_INLINE_VISIBILITY
void swap(__tuple_impl& __t)