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[simgrid.git] / src / mc / sosp / ChunkedData.hpp

diff --git a/src/mc/sosp/ChunkedData.hpp b/src/mc/sosp/ChunkedData.hpp
index c904a29..2cad04e 100644 (file)
--- a/src/mc/sosp/ChunkedData.hpp
+++ b/src/mc/sosp/ChunkedData.hpp
@@ -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)