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Fix compilation errors with Clang

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* include/bits/alloc_traits.h (__cpp_lib_constexpr_dynamic_alloc):
	Define.
	(allocator_traits::_S_construct, allocator_traits::_S_destroy)
	(__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use
	_GLIBCXX14_CONSTEXPR instead of constexpr.
	* include/bits/stl_construct.h (_Destroy): Likewise.

From-SVN: r277588
This commit is contained in:
Jonathan Wakely 2019-10-29 20:16:57 +00:00 committed by Jonathan Wakely
parent 6d0dff49ca
commit 540218dd24
4 changed files with 24 additions and 11 deletions
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7
libstdc++-v3/ChangeLog
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@ -1,5 +1,12 @@
2019-10-29 Jonathan Wakely <jwakely@redhat.com>
* include/bits/alloc_traits.h (__cpp_lib_constexpr_dynamic_alloc):
Define.
(allocator_traits::_S_construct, allocator_traits::_S_destroy)
(__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use
_GLIBCXX14_CONSTEXPR instead of constexpr.
* include/bits/stl_construct.h (_Destroy): Likewise.
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/bits/iterator_concepts.h: New header.

18
libstdc++-v3/include/bits/alloc_traits.h
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@ -241,13 +241,13 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
= typename __construct_helper<_Tp, _Args...>::type;
template<typename _Tp, typename... _Args>
static constexpr _Require<__has_construct<_Tp, _Args...>>
static _GLIBCXX14_CONSTEXPR _Require<__has_construct<_Tp, _Args...>>
_S_construct(_Alloc& __a, _Tp* __p, _Args&&... __args)
noexcept(noexcept(__a.construct(__p, std::forward<_Args>(__args)...)))
{ __a.construct(__p, std::forward<_Args>(__args)...); }
template<typename _Tp, typename... _Args>
static constexpr
static _GLIBCXX14_CONSTEXPR
_Require<__and_<__not_<__has_construct<_Tp, _Args...>>,
is_constructible<_Tp, _Args...>>>
_S_construct(_Alloc&, _Tp* __p, _Args&&... __args)
@ -256,14 +256,14 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ std::_Construct(__p, std::forward<_Args>(__args)...); }
template<typename _Alloc2, typename _Tp>
static constexpr auto
static _GLIBCXX14_CONSTEXPR auto
_S_destroy(_Alloc2& __a, _Tp* __p, int)
noexcept(noexcept(__a.destroy(__p)))
-> decltype(__a.destroy(__p))
{ __a.destroy(__p); }
template<typename _Alloc2, typename _Tp>
static constexpr void
static _GLIBCXX14_CONSTEXPR void
_S_destroy(_Alloc2&, _Tp* __p, ...)
noexcept(noexcept(__p->~_Tp()))
{ std::_Destroy(__p); }
@ -393,6 +393,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ return _S_select(__rhs, 0); }
};
#if __cplusplus > 201703L
# define __cpp_lib_constexpr_dynamic_alloc 201907L
#endif
/// Partial specialization for std::allocator.
template<typename _Tp>
struct allocator_traits<allocator<_Tp>>
@ -562,7 +566,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#endif
template<typename _Alloc>
constexpr void
_GLIBCXX14_CONSTEXPR void
__alloc_on_copy(_Alloc& __one, const _Alloc& __two)
{
typedef allocator_traits<_Alloc> __traits;
@ -594,7 +598,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#endif
template<typename _Alloc>
constexpr void
_GLIBCXX14_CONSTEXPR void
__alloc_on_move(_Alloc& __one, _Alloc& __two)
{
typedef allocator_traits<_Alloc> __traits;
@ -621,7 +625,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#endif
template<typename _Alloc>
constexpr void
_GLIBCXX14_CONSTEXPR void
__alloc_on_swap(_Alloc& __one, _Alloc& __two)
{
typedef allocator_traits<_Alloc> __traits;

2
libstdc++-v3/include/bits/stl_construct.h
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@ -137,7 +137,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
* Destroy the object pointed to by a pointer type.
*/
template<typename _Tp>
_GLIBCXX_CONSTEXPR inline void
_GLIBCXX14_CONSTEXPR inline void
_Destroy(_Tp* __pointer)
{
#if __cplusplus > 201703L

8
libstdc++-v3/include/ext/alloc_traits.h
View File

@ -76,7 +76,8 @@ template<typename _Alloc, typename = typename _Alloc::value_type>
public:
// overload construct for non-standard pointer types
template<typename _Ptr, typename... _Args>
static constexpr std::__enable_if_t<__is_custom_pointer<_Ptr>::value>
static _GLIBCXX14_CONSTEXPR
std::__enable_if_t<__is_custom_pointer<_Ptr>::value>
construct(_Alloc& __a, _Ptr __p, _Args&&... __args)
noexcept(noexcept(_Base_type::construct(__a, std::__to_address(__p),
std::forward<_Args>(__args)...)))
@ -87,7 +88,8 @@ template<typename _Alloc, typename = typename _Alloc::value_type>
// overload destroy for non-standard pointer types
template<typename _Ptr>
static constexpr std::__enable_if_t<__is_custom_pointer<_Ptr>::value>
static _GLIBCXX14_CONSTEXPR
std::__enable_if_t<__is_custom_pointer<_Ptr>::value>
destroy(_Alloc& __a, _Ptr __p)
noexcept(noexcept(_Base_type::destroy(__a, std::__to_address(__p))))
{ _Base_type::destroy(__a, std::__to_address(__p)); }
@ -95,7 +97,7 @@ template<typename _Alloc, typename = typename _Alloc::value_type>
static constexpr _Alloc _S_select_on_copy(const _Alloc& __a)
{ return _Base_type::select_on_container_copy_construction(__a); }
static constexpr void _S_on_swap(_Alloc& __a, _Alloc& __b)
static _GLIBCXX14_CONSTEXPR void _S_on_swap(_Alloc& __a, _Alloc& __b)
{ std::__alloc_on_swap(__a, __b); }
static constexpr bool _S_propagate_on_copy_assign()