From 89479eca1f53e3c0c00e96492c41d9735581e818 Mon Sep 17 00:00:00 2001
From: Auriane R <aurianer@cscs.ch>
Date: Thu, 6 Oct 2022 11:19:04 +0200
Subject: [PATCH 1/2] Add a const reference handling test for start_detached

---
 .../execution/tests/unit/algorithm_start_detached.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/libs/pika/execution/tests/unit/algorithm_start_detached.cpp b/libs/pika/execution/tests/unit/algorithm_start_detached.cpp
index 981ef84258..6fae09baa7 100644
--- a/libs/pika/execution/tests/unit/algorithm_start_detached.cpp
+++ b/libs/pika/execution/tests/unit/algorithm_start_detached.cpp
@@ -49,6 +49,17 @@ int main()
         PIKA_TEST(!tag_invoke_overload_called);
     }
 
+    {
+        int x = 42;
+        std::atomic<bool> then_called{false};
+        ex::start_detached(
+            const_reference_sender<int>{x} | ex::then([&](auto& x) {
+                PIKA_TEST_EQ(x, 42);
+                then_called = true;
+            }));
+        PIKA_TEST(then_called);
+    }
+
     {
         std::atomic<bool> start_called{false};
         std::atomic<bool> connect_called{false};

From e344f07140e7a464f5beffab0ebceca762b5bc74 Mon Sep 17 00:00:00 2001
From: aurianer <aurianer@cscs.ch>
Date: Mon, 10 Oct 2022 16:17:44 +0200
Subject: [PATCH 2/2] Simplify the test with const_reference_sender

---
 .../execution/tests/unit/algorithm_start_detached.cpp     | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/libs/pika/execution/tests/unit/algorithm_start_detached.cpp b/libs/pika/execution/tests/unit/algorithm_start_detached.cpp
index 6fae09baa7..48c491688f 100644
--- a/libs/pika/execution/tests/unit/algorithm_start_detached.cpp
+++ b/libs/pika/execution/tests/unit/algorithm_start_detached.cpp
@@ -51,13 +51,7 @@ int main()
 
     {
         int x = 42;
-        std::atomic<bool> then_called{false};
-        ex::start_detached(
-            const_reference_sender<int>{x} | ex::then([&](auto& x) {
-                PIKA_TEST_EQ(x, 42);
-                then_called = true;
-            }));
-        PIKA_TEST(then_called);
+        ex::start_detached(const_reference_sender<int>{x});
     }
 
     {