--- a/hotspot/src/share/vm/runtime/arguments.cpp	Fri Mar 18 15:52:42 2011 -0700
+++ b/hotspot/src/share/vm/runtime/arguments.cpp	Fri Mar 18 16:00:34 2011 -0700
@@ -2976,6 +2976,12 @@
     }
     ScavengeRootsInCode = 1;
   }
+  if (!JavaObjectsInPerm && ScavengeRootsInCode == 0) {
+    if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) {
+      warning("forcing ScavengeRootsInCode non-zero because JavaObjectsInPerm is false");
+    }
+    ScavengeRootsInCode = 1;
+  }
 
   if (PrintGCDetails) {
     // Turn on -verbose:gc options as well