From ecbca9f5fb7d7613d2b94982c4825eb0d33d6842 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 5 Feb 2022 19:04:23 +0100
Subject: Vendor import of llvm-project main
 llvmorg-14-init-18294-gdb01b123d012, the last commit before the upstream
 release/14.x branch was created.

---
 libcxx/include/__algorithm/in_in_out_result.h | 48 +++++++++++++++++++++++++++
 libcxx/include/__algorithm/in_in_result.h     |  4 +--
 libcxx/include/__algorithm/in_out_result.h    |  4 +--
 3 files changed, 52 insertions(+), 4 deletions(-)
 create mode 100644 libcxx/include/__algorithm/in_in_out_result.h

(limited to 'libcxx/include/__algorithm')

diff --git a/libcxx/include/__algorithm/in_in_out_result.h b/libcxx/include/__algorithm/in_in_out_result.h
new file mode 100644
index 000000000000..e365eb58eb62
--- /dev/null
+++ b/libcxx/include/__algorithm/in_in_out_result.h
@@ -0,0 +1,48 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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___ALGORITHM_IN_IN_OUT_RESULT_H
+#define _LIBCPP___ALGORITHM_IN_IN_OUT_RESULT_H
+
+#include <__concepts/convertible_to.h>
+#include <__config>
+#include <__utility/move.h>
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#ifndef _LIBCPP_HAS_NO_CONCEPTS
+
+namespace ranges {
+template <class _I1, class _I2, class _O1>
+struct in_in_out_result {
+  [[no_unique_address]] _I1 in1;
+  [[no_unique_address]] _I2 in2;
+  [[no_unique_address]] _O1 out;
+
+  template <class _II1, class _II2, class _OO1>
+    requires convertible_to<const _I1&, _II1> && convertible_to<const _I2&, _II2> && convertible_to<const _O1&, _OO1>
+  _LIBCPP_HIDE_FROM_ABI constexpr
+  operator in_in_out_result<_II1, _II2, _OO1>() const& {
+    return {in1, in2, out};
+  }
+
+  template <class _II1, class _II2, class _OO1>
+    requires convertible_to<_I1, _II1> && convertible_to<_I2, _II2> && convertible_to<_O1, _OO1>
+  _LIBCPP_HIDE_FROM_ABI constexpr
+  operator in_in_out_result<_II1, _II2, _OO1>() && {
+    return {_VSTD::move(in1), _VSTD::move(in2), _VSTD::move(out)};
+  }
+};
+} // namespace ranges
+
+#endif // _LIBCPP_HAS_NO_CONCEPTS
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___ALGORITHM_IN_IN_RESULT_H
diff --git a/libcxx/include/__algorithm/in_in_result.h b/libcxx/include/__algorithm/in_in_result.h
index fbe53ae4f57e..ed14ecedbbdf 100644
--- a/libcxx/include/__algorithm/in_in_result.h
+++ b/libcxx/include/__algorithm/in_in_result.h
@@ -16,7 +16,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-#ifndef _LIBCPP_HAS_NO_RANGES
+#ifndef _LIBCPP_HAS_NO_CONCEPTS
 
 namespace ranges {
 template <class _I1, class _I2>
@@ -38,7 +38,7 @@ struct in_in_result {
 };
 } // namespace ranges
 
-#endif // _LIBCPP_HAS_NO_RANGES
+#endif // _LIBCPP_HAS_NO_CONCEPTS
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/libcxx/include/__algorithm/in_out_result.h b/libcxx/include/__algorithm/in_out_result.h
index 9d971157200f..8a58d6ada10c 100644
--- a/libcxx/include/__algorithm/in_out_result.h
+++ b/libcxx/include/__algorithm/in_out_result.h
@@ -20,7 +20,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-#if !defined(_LIBCPP_HAS_NO_RANGES)
+#if !defined(_LIBCPP_HAS_NO_CONCEPTS)
 namespace ranges {
 
 template<class _InputIterator, class _OutputIterator>
@@ -45,7 +45,7 @@ struct in_out_result {
 };
 
 } // namespace ranges
-#endif // !defined(_LIBCPP_HAS_NO_RANGES)
+#endif // !defined(_LIBCPP_HAS_NO_CONCEPTS)
 
 _LIBCPP_END_NAMESPACE_STD
 
-- 
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