X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4b0aa1525597fd0800c4d00c6df3f3c49d53ee2c..4bcfd40036f842e976d329cd0cee7349b8e0f4d6:/src/mc/sosp/ChunkedData.hpp

diff --git a/src/mc/sosp/ChunkedData.hpp b/src/mc/sosp/ChunkedData.hpp
index c904a29f97..da5854efa8 100644
--- a/src/mc/sosp/ChunkedData.hpp
+++ b/src/mc/sosp/ChunkedData.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2014-2018. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2014-2019. 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. */
@@ -56,11 +56,13 @@ public:
   }
   ChunkedData& operator=(ChunkedData const& that)
   {
-    this->clear();
-    store_   = that.store_;
-    pagenos_ = that.pagenos_;
-    for (std::size_t const& pageno : pagenos_)
-      store_->ref_page(pageno);
+    if (this != &that) {
+      this->clear();
+      store_   = that.store_;
+      pagenos_ = that.pagenos_;
+      for (std::size_t const& pageno : pagenos_)
+        store_->ref_page(pageno);
+    }
     return *this;
   }
   ChunkedData& operator=(ChunkedData&& that)