1 files changed, 42 insertions, 0 deletions
diff --git a/libcxx/include/__memory/allocator_destructor.h b/libcxx/include/__memory/allocator_destructor.h
new file mode 100644
index 000000000000..623ad8ad800a
--- /dev/null
+++ b/libcxx/include/__memory/allocator_destructor.h
@@ -0,0 +1,42 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___MEMORY_ALLOCATOR_DESTRUCTOR_H
+#define _LIBCPP___MEMORY_ALLOCATOR_DESTRUCTOR_H
+
+#include <__config>
+#include <__memory/allocator_traits.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _Alloc>
+class __allocator_destructor
+{
+    typedef _LIBCPP_NODEBUG allocator_traits<_Alloc> __alloc_traits;
+public:
+    typedef _LIBCPP_NODEBUG typename __alloc_traits::pointer pointer;
+    typedef _LIBCPP_NODEBUG typename __alloc_traits::size_type size_type;
+private:
+    _Alloc& __alloc_;
+    size_type __s_;
+public:
+    _LIBCPP_INLINE_VISIBILITY __allocator_destructor(_Alloc& __a, size_type __s)
+             _NOEXCEPT
+        : __alloc_(__a), __s_(__s) {}
+    _LIBCPP_INLINE_VISIBILITY
+    void operator()(pointer __p) _NOEXCEPT
+        {__alloc_traits::deallocate(__alloc_, __p, __s_);}
+};
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___MEMORY_ALLOCATOR_DESTRUCTOR_H