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diff --git a/data/iphoneos-sdk/v1/__nullptr b/data/iphoneos-sdk/v1/__nullptr
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+// -*- C++ -*-
+//===--------------------------- __nullptr --------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_NULLPTR
+#define _LIBCPP_NULLPTR
+
+#include <__config>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+#ifdef _LIBCPP_HAS_NO_NULLPTR
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+struct _LIBCPP_TEMPLATE_VIS nullptr_t
+{
+ void* __lx;
+
+ struct __nat {int __for_bool_;};
+
+ _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR nullptr_t() : __lx(0) {}
+ _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR nullptr_t(int __nat::*) : __lx(0) {}
+
+ _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR operator int __nat::*() const {return 0;}
+
+ template <class _Tp>
+ _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR
+ operator _Tp* () const {return 0;}
+
+ template <class _Tp, class _Up>
+ _LIBCPP_ALWAYS_INLINE
+ operator _Tp _Up::* () const {return 0;}
+
+ friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator==(nullptr_t, nullptr_t) {return true;}
+ friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator!=(nullptr_t, nullptr_t) {return false;}
+};
+
+inline _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR nullptr_t __get_nullptr_t() {return nullptr_t(0);}
+
+#define nullptr _VSTD::__get_nullptr_t()
+
+_LIBCPP_END_NAMESPACE_STD
+
+#else // _LIBCPP_HAS_NO_NULLPTR
+
+namespace std
+{
+ typedef decltype(nullptr) nullptr_t;
+}
+
+#endif // _LIBCPP_HAS_NO_NULLPTR
+
+#endif // _LIBCPP_NULLPTR