src/share/vm/runtime/advancedThresholdPolicy.cpp

rev 9644 : 8145096: Undefined behaviour in HotSpot
Summary: Fix some integer overflows
Reviewed-by: duke

@@ -131,11 +131,12 @@
 bool AdvancedThresholdPolicy::is_old(Method* method) {
   return method->invocation_count() > 50000 || method->backedge_count() > 500000;
 }
 
 double AdvancedThresholdPolicy::weight(Method* method) {
-  return (method->rate() + 1) * ((method->invocation_count() + 1) *  (method->backedge_count() + 1));
+  return (double)(method->rate() + 1) *
+    (method->invocation_count() + 1) * (method->backedge_count() + 1);
 }
 
 // Apply heuristics and return true if x should be compiled before y
 bool AdvancedThresholdPolicy::compare_methods(Method* x, Method* y) {
   if (x->highest_comp_level() > y->highest_comp_level()) {