Index: java/awt/Component.java
===================================================================
RCS file: /cvsroot/classpath/classpath/java/awt/Component.java,v
retrieving revision 1.85
diff -u -r1.85 Component.java
--- java/awt/Component.java	7 Nov 2005 22:31:25 -0000	1.85
+++ java/awt/Component.java	8 Nov 2005 11:46:05 -0000
@@ -1720,7 +1720,7 @@
     valid = false;
     prefSize = null;
     minSize = null;
-    if (parent != null)
+    if (parent != null && parent.isValid())
       parent.invalidate();
   }