--- old/src/share/vm/opto/graphKit.cpp	Wed Mar 30 11:22:41 2011
+++ new/src/share/vm/opto/graphKit.cpp	Wed Mar 30 11:22:40 2011
@@ -3384,10 +3384,13 @@
 //----------------------------- store barriers ----------------------------
 #define __ ideal.
 
-void GraphKit::sync_kit(IdealKit& ideal) {
-  // Final sync IdealKit and graphKit.
-  __ drain_delay_transform();
+void GraphKit::sync_kit(IdealKit& ideal, bool final) {
+  if (final) {
+    // Final sync IdealKit and graphKit.
+    __ drain_delay_transform();
+  }
   set_all_memory(__ merged_memory());
+  set_i_o(__ i_o());
   set_control(__ ctrl());
 }
 
@@ -3435,7 +3438,7 @@
   // (Else it's an array (or unknown), and we want more precise card marks.)
   assert(adr != NULL, "");
 
-  IdealKit ideal(gvn(), control(), merged_memory(), true);
+  IdealKit ideal(this, true);
 
   // Convert the pointer to an int prior to doing math on it
   Node* cast = __ CastPX(__ ctrl(), adr);
@@ -3471,7 +3474,7 @@
                                     Node* val,
                                     const TypeOopPtr* val_type,
                                     BasicType bt) {
-  IdealKit ideal(gvn(), control(), merged_memory(), true);
+  IdealKit ideal(this, true);
 
   Node* tls = __ thread(); // ThreadLocalStorage
 
@@ -3614,7 +3617,7 @@
   // (Else it's an array (or unknown), and we want more precise card marks.)
   assert(adr != NULL, "");
 
-  IdealKit ideal(gvn(), control(), merged_memory(), true);
+  IdealKit ideal(this, true);
 
   Node* tls = __ thread(); // ThreadLocalStorage