Fix for #538946
Reported upstream as https://svn.boost.org/trac/boost/ticket/2647
Patch taken from http://www.nabble.com/-Boost.Test--valgrind-complains-about-invalid-reads-td20500154.html


--- boost1.39-1.39.0.orig/boost/test/impl/framework.ipp
+++ boost1.39-1.39.0/boost/test/impl/framework.ipp
@@ -125,12 +125,8 @@
     {
         while( !m_test_units.empty() ) {
             test_unit_store::value_type const& tu = *m_test_units.begin();
-
             // the delete will erase this element from map
-            if( test_id_2_unit_type( tu.second->p_id ) == tut_suite )
-                delete  (test_suite const*)tu.second;
-            else
-                delete  (test_case const*)tu.second;
+	    delete tu.second;
         }
     }
 
--- boost1.39-1.39.0.orig/boost/test/unit_test_suite_impl.hpp
+++ boost1.39-1.39.0/boost/test/unit_test_suite_impl.hpp
@@ -71,8 +71,7 @@
 
     void                                increase_exp_fail( unsigned num );
 
-protected:
-    ~test_unit();
+    virtual ~test_unit();
 
 private:
     // Data members