From 62ca124a877153117f0e06c0f7b0b7e7340b8a16 Mon Sep 17 00:00:00 2001
From: Christopher Kohlhoff <chris@kohlhoff.com>
Date: Sun, 30 Jun 2024 19:25:49 +1000
Subject: [PATCH] Ensure initiation object copyability is reflected in a
 deferred async op.

---
 asio/include/asio/deferred.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/asio/include/asio/deferred.hpp b/asio/include/asio/deferred.hpp
index 43807c709d..c12a0e85f3 100644
--- a/asio/include/asio/deferred.hpp
+++ b/asio/include/asio/deferred.hpp
@@ -325,7 +325,8 @@ class ASIO_NODISCARD deferred_async_operation
       detail::index_sequence<I...>) const &
     -> decltype(
       async_initiate<CompletionToken, Signature>(
-        initiation_t(initiation_), token, std::get<I>(init_args_)...))
+        conditional_t<true, initiation_t, CompletionToken>(initiation_),
+        token, std::get<I>(init_args_)...))
   {
     return async_initiate<CompletionToken, Signature>(
         initiation_t(initiation_), token, std::get<I>(init_args_)...);