--- a/IRFunction.st	Sat May 16 16:51:05 2009 +0000
+++ b/IRFunction.st	Wed Aug 12 10:22:31 2009 +0000
@@ -44,9 +44,10 @@
         tempMap at: key ifAbsentPut: 
             [new add: key.
             i := i + 1]].
+    new isEmpty ifTrue:[^self].
     self tempKeys: keys, new.
 
-    "Modified: / 30-03-2009 / 18:46:36 / Jan Vrany <vranyj1@fel.cvut.cz>"
+    "Modified: / 12-08-2009 / 09:22:05 / Jan Vrany <vranyj1@fel.cvut.cz>"
 !
 
 additionalLiterals