Modernize simcall_io_test().

[simgrid.git] / src / kernel / activity / MailboxImpl.cpp

diff --git a/src/kernel/activity/MailboxImpl.cpp b/src/kernel/activity/MailboxImpl.cpp
index 8915ec7..7be3b40 100644 (file)
--- a/src/kernel/activity/MailboxImpl.cpp
+++ b/src/kernel/activity/MailboxImpl.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2007-2020. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -130,7 +130,7 @@ CommImplPtr MailboxImpl::find_matching_comm(CommImpl::Type type, bool (*match_fu
   auto& comm_queue      = done ? done_comm_queue_ : comm_queue_;
 
   for (auto it = comm_queue.begin(); it != comm_queue.end(); it++) {
-    CommImplPtr& comm = *it;
+    const CommImplPtr& comm = *it;
 
     if (comm->type_ == CommImpl::Type::SEND) {
       other_user_data = comm->src_data_;