From 1d2397119648fb79312244363bbc74ea0284b31a Mon Sep 17 00:00:00 2001
From: Michael Mueller <michael.mueller@uos.de>
Date: Fri, 25 Apr 2025 19:42:54 +0200
Subject: [PATCH] ealanos: Fixed compiler errors when using MPSCQueue with
 polymorphic objects.

---
 repos/ealanos/include/ealanos/util/mpsc_queue.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/repos/ealanos/include/ealanos/util/mpsc_queue.h b/repos/ealanos/include/ealanos/util/mpsc_queue.h
index eee0d10f52..f39bc7bd86 100644
--- a/repos/ealanos/include/ealanos/util/mpsc_queue.h
+++ b/repos/ealanos/include/ealanos/util/mpsc_queue.h
@@ -50,7 +50,7 @@ public:
      */
     [[nodiscard]] const T *end() const noexcept { return _end; }
 
-    [[nodiscard]] T *head() noexcept { return _head; }
+    [[nodiscard]] T *head() noexcept { return reinterpret_cast<T&>(_stub).next(); }
 
     /**
      * @return True, when the queue is empty.
@@ -81,8 +81,8 @@ private:
 
 template <class T> T *MPSCQueue<T>::pop_front() noexcept
 {
-    auto *tail = this->_tail;
-    auto *next = tail->next();
+    T *tail = this->_tail;
+    T *next = tail->next();
 
     if (tail == this->_end)
     {
@@ -102,7 +102,7 @@ template <class T> T *MPSCQueue<T>::pop_front() noexcept
         return tail;
     }
 
-    const auto *head = this->_head;
+    const T *head = this->_head;
     if (tail != head)
     {
         return nullptr;