--- a/langtools/src/share/classes/com/sun/tools/javac/code/Types.java	Thu Jan 29 12:17:57 2009 +0000
+++ b/langtools/src/share/classes/com/sun/tools/javac/code/Types.java	Thu Jan 29 12:18:19 2009 +0000
@@ -949,12 +949,16 @@
                 }
 
                 if (t.isCompound()) {
+                    Warner oldWarner = warnStack.head;
+                    warnStack.head = Warner.noWarnings;
                     if (!visit(supertype(t), s))
                         return false;
                     for (Type intf : interfaces(t)) {
                         if (!visit(intf, s))
                             return false;
                     }
+                    if (warnStack.head.unchecked == true)
+                        oldWarner.warnUnchecked();
                     return true;
                 }