diff --git a/SWIG/Examples/test-suite/constructor_copy.i b/SWIG/Examples/test-suite/constructor_copy.i
index 523f911de..16081bad3 100644
--- a/SWIG/Examples/test-suite/constructor_copy.i
+++ b/SWIG/Examples/test-suite/constructor_copy.i
@@ -43,7 +43,7 @@ struct Foo5 : Foo4 {
 };
 
 struct Foo6 : Foo4 {
-  Foo6(const Foo6& ) { }
+  Foo6(const Foo6& f) : Foo4(f) { }
 };
 
 struct Foo7 : Foo5 {
diff --git a/SWIG/Examples/test-suite/inherit_same_name.i b/SWIG/Examples/test-suite/inherit_same_name.i
index 226c459a7..e50d064ad 100644
--- a/SWIG/Examples/test-suite/inherit_same_name.i
+++ b/SWIG/Examples/test-suite/inherit_same_name.i
@@ -3,6 +3,7 @@
 %inline %{
   struct Base {
     Base() : MethodOrVariable(0) {}
+    virtual ~Base() {}
   protected:
     int MethodOrVariable;
   };
diff --git a/SWIG/Examples/test-suite/python/simutry.i b/SWIG/Examples/test-suite/python/simutry.i
index cf9bdd3c4..addea14db 100644
--- a/SWIG/Examples/test-suite/python/simutry.i
+++ b/SWIG/Examples/test-suite/python/simutry.i
@@ -19,6 +19,10 @@ namespace simuPOP
   {
     Pop m_pop;
     Operator(int a):m_pop(a){}
+    virtual ~Operator()
+    {
+    }
+    
     virtual int func() const 
     { return m_pop.m_a; }
   };