--- sql/locks/shared_spin_lock.cc.orig	2020-12-10 03:01:55 UTC
+++ sql/locks/shared_spin_lock.cc
@@ -239,7 +239,7 @@ lock::Shared_spin_lock &lock::Shared_spin_lock::try_or
   {
     this->spin_exclusive_lock();
   }
-  my_atomic_store64(&this->m_exclusive_owner, self);
+  my_atomic_store64(&this->m_exclusive_owner, reinterpret_cast<int64>(self));
   return (*this);
 }