- P0980R1 (Making ``std::string`` constexpr)
- P2216R3 (std::format improvements)
+- Implemented P0174R2 (Deprecating Vestigial Library Parts in C++17)
+
- Marked the following papers as "Complete" (note that some of those might have
been implemented in a previous release but not marked as such):
"`p0088r3 <https://wg21.link/p0088r3>`__","LWG","Variant: a type-safe union for C++17","Oulu","|Complete|","4.0"
"`p0137r1 <https://wg21.link/p0137r1>`__","CWG","Core Issue 1776: Replacement of class objects containing reference members","Oulu","|Complete|","6.0"
"`p0163r0 <https://wg21.link/p0163r0>`__","LWG","shared_ptr::weak_type","Oulu","|Complete|","3.9"
-"`p0174r2 <https://wg21.link/p0174r2>`__","LWG","Deprecating Vestigial Library Parts in C++17","Oulu","|Partial|",""
+"`p0174r2 <https://wg21.link/p0174r2>`__","LWG","Deprecating Vestigial Library Parts in C++17","Oulu","|Complete|","15.0"
"`p0175r1 <https://wg21.link/p0175r1>`__","LWG","Synopses for the C library","Oulu","",""
"`p0180r2 <https://wg21.link/p0180r2>`__","LWG","Reserve a New Library Namespace for Future Standardization","Oulu","|Nothing To Do|","n/a"
"`p0181r1 <https://wg21.link/p0181r1>`__","LWG","Ordered by Default","Oulu","*Removed in Kona*","n/a"
difference_type __len1 = _VSTD::distance(__first, __middle);
difference_type __len2 = _VSTD::distance(__middle, __last);
difference_type __buf_size = _VSTD::min(__len1, __len2);
+// TODO: Remove the use of std::get_temporary_buffer
+_LIBCPP_SUPPRESS_DEPRECATED_PUSH
pair<value_type*, ptrdiff_t> __buf = _VSTD::get_temporary_buffer<value_type>(__buf_size);
+_LIBCPP_SUPPRESS_DEPRECATED_POP
unique_ptr<value_type, __return_temporary_buffer> __h(__buf.first);
typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
return _VSTD::__inplace_merge<_Comp_ref>(__first, __middle, __last, __comp, __len1, __len2,
unique_ptr<value_type, __return_temporary_buffer> __h;
if (__len >= __alloc_limit)
{
+// TODO: Remove the use of std::get_temporary_buffer
+_LIBCPP_SUPPRESS_DEPRECATED_PUSH
__p = _VSTD::get_temporary_buffer<value_type>(__len);
+_LIBCPP_SUPPRESS_DEPRECATED_POP
__h.reset(__p.first);
}
return _VSTD::__stable_partition<_Predicate&>(__first, __last, __pred, __len, __p, forward_iterator_tag());
unique_ptr<value_type, __return_temporary_buffer> __h;
if (__len >= __alloc_limit)
{
+// TODO: Remove the use of std::get_temporary_buffer
+_LIBCPP_SUPPRESS_DEPRECATED_PUSH
__p = _VSTD::get_temporary_buffer<value_type>(__len);
+_LIBCPP_SUPPRESS_DEPRECATED_POP
__h.reset(__p.first);
}
return _VSTD::__stable_partition<_Predicate&>(__first, __last, __pred, __len, __p, bidirectional_iterator_tag());
unique_ptr<value_type, __return_temporary_buffer> __h;
if (__len > static_cast<difference_type>(__stable_sort_switch<value_type>::value))
{
+// TODO: Remove the use of std::get_temporary_buffer
+_LIBCPP_SUPPRESS_DEPRECATED_PUSH
__buf = _VSTD::get_temporary_buffer<value_type>(__len);
+_LIBCPP_SUPPRESS_DEPRECATED_POP
__h.reset(__buf.first);
}
typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
template <class _Tp> class allocator;
#if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_ALLOCATOR_VOID_SPECIALIZATION)
+// These specializations shouldn't be marked _LIBCPP_DEPRECATED_IN_CXX17.
+// Specializing allocator<void> is deprecated, but not using it.
template <>
class _LIBCPP_TEMPLATE_VIS allocator<void>
{
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp>
-_LIBCPP_NODISCARD_EXT _LIBCPP_NO_CFI
+_LIBCPP_NODISCARD_EXT _LIBCPP_NO_CFI _LIBCPP_DEPRECATED_IN_CXX17
pair<_Tp*, ptrdiff_t>
get_temporary_buffer(ptrdiff_t __n) _NOEXCEPT
{
}
template <class _Tp>
-inline _LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_DEPRECATED_IN_CXX17
void return_temporary_buffer(_Tp* __p) _NOEXCEPT
{
_VSTD::__libcpp_deallocate_unsized((void*)__p, _LIBCPP_ALIGNOF(_Tp));
struct __return_temporary_buffer
{
+_LIBCPP_SUPPRESS_DEPRECATED_PUSH
template <class _Tp>
_LIBCPP_INLINE_VISIBILITY void operator()(_Tp* __p) const {_VSTD::return_temporary_buffer(__p);}
+_LIBCPP_SUPPRESS_DEPRECATED_POP
};
_LIBCPP_END_NAMESPACE_STD
// trigger -Wunused-value warnings.
// ADDITIONAL_COMPILE_FLAGS: -fno-builtin
+// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
+
#include <algorithm>
#include <bit> // bit_cast
#include <cstddef> // to_integer
// be listed in `UsingLibcxx.rst` in the documentation for the extension.
// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_NODISCARD
+// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
#include <algorithm>
#include <bit> // bit_cast
--- /dev/null
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// REQUIRES: c++17
+
+// Ensure allocator<void> is deprecated
+
+#include <memory>
+
+void test() {
+ auto a = std::get_temporary_buffer<int>(1); // expected-warning {{'get_temporary_buffer<int>' is deprecated}}
+ std::return_temporary_buffer(a.first); // expected-warning {{'return_temporary_buffer<int>' is deprecated}}
+}
// we won't pass prior to c++17.
// UNSUPPORTED: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12}}
+// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
// <memory>
// <memory>
+// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
+
// template <class T>
// pair<T*, ptrdiff_t>
// get_temporary_buffer(ptrdiff_t n);