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diff --git a/lib/asio/detail/reactive_socket_connect_op.hpp b/lib/asio/detail/reactive_socket_connect_op.hpp
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+++ b/lib/asio/detail/reactive_socket_connect_op.hpp
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+//
+// detail/reactive_socket_connect_op.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_REACTIVE_SOCKET_CONNECT_OP_HPP
+#define ASIO_DETAIL_REACTIVE_SOCKET_CONNECT_OP_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/bind_handler.hpp"
+#include "asio/detail/buffer_sequence_adapter.hpp"
+#include "asio/detail/fenced_block.hpp"
+#include "asio/detail/memory.hpp"
+#include "asio/detail/reactor_op.hpp"
+#include "asio/detail/socket_ops.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+class reactive_socket_connect_op_base : public reactor_op
+{
+public:
+  reactive_socket_connect_op_base(socket_type socket, func_type complete_func)
+    : reactor_op(&reactive_socket_connect_op_base::do_perform, complete_func),
+      socket_(socket)
+  {
+  }
+
+  static status do_perform(reactor_op* base)
+  {
+    reactive_socket_connect_op_base* o(
+        static_cast<reactive_socket_connect_op_base*>(base));
+
+    status result = socket_ops::non_blocking_connect(
+        o->socket_, o->ec_) ? done : not_done;
+
+    ASIO_HANDLER_REACTOR_OPERATION((*o, "non_blocking_connect", o->ec_));
+
+    return result;
+  }
+
+private:
+  socket_type socket_;
+};
+
+template <typename Handler>
+class reactive_socket_connect_op : public reactive_socket_connect_op_base
+{
+public:
+  ASIO_DEFINE_HANDLER_PTR(reactive_socket_connect_op);
+
+  reactive_socket_connect_op(socket_type socket, Handler& handler)
+    : reactive_socket_connect_op_base(socket,
+        &reactive_socket_connect_op::do_complete),
+      handler_(ASIO_MOVE_CAST(Handler)(handler))
+  {
+    handler_work<Handler>::start(handler_);
+  }
+
+  static void do_complete(void* owner, operation* base,
+      const asio::error_code& /*ec*/,
+      std::size_t /*bytes_transferred*/)
+  {
+    // Take ownership of the handler object.
+    reactive_socket_connect_op* o
+      (static_cast<reactive_socket_connect_op*>(base));
+    ptr p = { asio::detail::addressof(o->handler_), o, o };
+    handler_work<Handler> w(o->handler_);
+
+    ASIO_HANDLER_COMPLETION((*o));
+
+    // Make a copy of the handler so that the memory can be deallocated before
+    // the upcall is made. Even if we're not about to make an upcall, a
+    // sub-object of the handler may be the true owner of the memory associated
+    // with the handler. Consequently, a local copy of the handler is required
+    // to ensure that any owning sub-object remains valid until after we have
+    // deallocated the memory here.
+    detail::binder1<Handler, asio::error_code>
+      handler(o->handler_, o->ec_);
+    p.h = asio::detail::addressof(handler.handler_);
+    p.reset();
+
+    // Make the upcall if required.
+    if (owner)
+    {
+      fenced_block b(fenced_block::half);
+      ASIO_HANDLER_INVOCATION_BEGIN((handler.arg1_));
+      w.complete(handler, handler.handler_);
+      ASIO_HANDLER_INVOCATION_END;
+    }
+  }
+
+private:
+  Handler handler_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_REACTIVE_SOCKET_CONNECT_OP_HPP