diff -r bce1ac447f6b -r f64ffbf81af5 src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Wed Feb 06 14:50:37 2013 -0800
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Thu Feb 07 15:51:25 2013 +0100
@@ -274,8 +274,8 @@
 // end of a collection, we let CMSTriggerRatio of the (purported) free
 // space be allocated before initiating a new collection cycle.
 //
-void ConcurrentMarkSweepGeneration::init_initiating_occupancy(intx io, intx tr) {
-  assert(io <= 100 && tr >= 0 && tr <= 100, "Check the arguments");
+void ConcurrentMarkSweepGeneration::init_initiating_occupancy(intx io, uintx tr) {
+  assert(io <= 100 && tr <= 100, "Check the arguments");
   if (io >= 0) {
     _initiating_occupancy = (double)io / 100.0;
   } else {