🎨 Check for self-assignment.

lsils · Apr 4, 2024 · 056df91 · 056df91
1 parent db6b748
commit 056df91
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/include/mockturtle/views/names_view.hpp b/include/mockturtle/views/names_view.hpp
@@ -65,11 +65,13 @@ class names_view : public Ntk
 
   names_view<Ntk>& operator=( names_view<Ntk> const& named_ntk )
   {
-    Ntk::operator=( named_ntk );
-    _signal_names = named_ntk.get_signal_names();
-    _network_name = named_ntk._network_name;
-    _output_names = named_ntk.get_output_names();
-
+    if ( this != &named_ntk ) // Check for self-assignment
+    {
+      Ntk::operator=( named_ntk );
+      _signal_names = named_ntk.get_signal_names();
+      _network_name = named_ntk._network_name;
+      _output_names = named_ntk.get_output_names();
+    }
     return *this;
   }