PR jit/63854: Fix leak in ipa-icf.c

gcc/ChangeLog:
	PR jit/63854
	* ipa-icf.c (sem_item_optimizer::~sem_item_optimizer): Free each
	congruence_class_group *.

From-SVN: r217811

gcc/ChangeLog

+2014-11-19  David Malcolm  <dmalcolm@redhat.com>
+
+	PR jit/63854
+	* ipa-icf.c (sem_item_optimizer::~sem_item_optimizer): Free each
+	congruence_class_group *.
+
 2014-11-19  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/63947

gcc/ipa-icf.c

@@ -1322,6 +1322,7 @@ sem_item_optimizer::~sem_item_optimizer ()
 	delete (*it)->classes[i];
 
       (*it)->classes.release ();
+      free (*it);
     }
 
   m_items.release ();