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tuple (__conv_types, [...]): Remove.

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2011-11-21  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/tuple (__conv_types, __one_by_one_convertible,
	__all_convertible): Remove.
	(tuple<>::tuple(_UElements&&...),
	tuple<>::tuple(const tuple<_UElements...>&),
	tuple<>::tuple(tuple<_UElements...>&&)): Remove wa for c++/48322.

From-SVN: r181555
This commit is contained in:
Paolo Carlini 2011-11-21 10:47:37 +00:00 committed by Paolo Carlini
parent 5436efaa0f
commit a7cd7b6088
3 changed files with 16 additions and 47 deletions
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8
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,11 @@
2011-11-21 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/tuple (__conv_types, __one_by_one_convertible,
__all_convertible): Remove.
(tuple<>::tuple(_UElements&&...),
tuple<>::tuple(const tuple<_UElements...>&),
tuple<>::tuple(tuple<_UElements...>&&)): Remove wa for c++/48322.
2011-11-20 Jason Merrill <jason@redhat.com>
PR c++/48322

53
libstdc++-v3/include/std/tuple
View File

@ -69,35 +69,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
struct __add_r_ref<_Tp&>
{ typedef _Tp& type; };
// To work around c++/49225 aka c++/48322.
template<typename...>
struct __conv_types { };
template<typename _Tuple1, typename _Tuple2>
struct __one_by_one_convertible
: public false_type { };
template<typename _Tp, typename _Up>
struct __one_by_one_convertible<__conv_types<_Tp>, __conv_types<_Up>>
: public is_convertible<_Tp, _Up>::type { };
template<typename _T1, typename... _TR, typename _U1, typename... _UR>
struct __one_by_one_convertible<__conv_types<_T1, _TR...>,
__conv_types<_U1, _UR...>>
: public __and_<is_convertible<_T1, _U1>,
__one_by_one_convertible<__conv_types<_TR...>,
__conv_types<_UR...>>>::type
{ };
template<typename _Tuple1, typename _Tuple2>
struct __all_convertible;
template<typename... _TTypes, typename... _UTypes>
struct __all_convertible<__conv_types<_TTypes...>,
__conv_types<_UTypes...>>
: public __one_by_one_convertible<__conv_types<_TTypes...>,
__conv_types<_UTypes...>>::type { };
template<std::size_t _Idx, typename _Head, bool _IsEmpty>
struct _Head_base;
@ -407,13 +378,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
constexpr tuple(const _Elements&... __elements)
: _Inherited(__elements...) { }
template<typename... _UElements,
typename = typename enable_if<sizeof...(_UElements)
== sizeof...(_Elements)>::type,
typename = typename
enable_if<__all_convertible<__conv_types<_UElements...>,
__conv_types<_Elements...> >::value
>::type>
template<typename... _UElements, typename = typename
enable_if<__and_<is_convertible<_UElements,
_Elements>...>::value>::type>
explicit
constexpr tuple(_UElements&&... __elements)
: _Inherited(std::forward<_UElements>(__elements)...) { }
@ -423,21 +390,15 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
constexpr tuple(tuple&&) = default;
template<typename... _UElements, typename = typename
enable_if<__and_<integral_constant<bool, sizeof...(_UElements)
== sizeof...(_Elements)>,
__all_convertible<__conv_types<const _UElements&...>,
__conv_types<_Elements...>>
>::value>::type>
enable_if<__and_<is_convertible<const _UElements&,
_Elements>...>::value>::type>
constexpr tuple(const tuple<_UElements...>& __in)
: _Inherited(static_cast<const _Tuple_impl<0, _UElements...>&>(__in))
{ }
template<typename... _UElements, typename = typename
enable_if<__and_<integral_constant<bool, sizeof...(_UElements)
== sizeof...(_Elements)>,
__all_convertible<__conv_types<_UElements...>,
__conv_types<_Elements...>>
>::value>::type>
enable_if<__and_<is_convertible<_UElements,
_Elements>...>::value>::type>
constexpr tuple(tuple<_UElements...>&& __in)
: _Inherited(static_cast<_Tuple_impl<0, _UElements...>&&>(__in)) { }

2
libstdc++-v3/testsuite/20_util/uses_allocator/cons_neg.cc
View File

@ -44,4 +44,4 @@ void test01()
tuple<Type> t(allocator_arg, a, 1);
}
// { dg-error "no matching function" "" { target *-*-* } 141 }
// { dg-error "no matching function" "" { target *-*-* } 112 }