--- a/src/share/vm/runtime/vframeArray.cpp	Fri Nov 30 11:13:36 2012 +0100
+++ b/src/share/vm/runtime/vframeArray.cpp	Mon Dec 03 13:44:12 2012 +0100
@@ -311,6 +311,10 @@
     }
   }
 
+  if (PrintDeoptimizationDetails) {
+    tty->print_cr("Expressions size: %d", expressions()->size());
+  }
+
   // Unpack expression stack
   // If this is an intermediate frame (i.e. not top frame) then this
   // only unpacks the part of the expression stack not used by callee
@@ -323,9 +327,25 @@
     switch(value->type()) {
       case T_INT:
         *addr = value->get_int();
+#ifndef PRODUCT
+        if (PrintDeoptimizationDetails) {
+          tty->print_cr("Reconstructed expression %d (INT): %d", i, (int)(*addr));
+        }
+#endif
         break;
       case T_OBJECT:
         *addr = value->get_int(T_OBJECT);
+#ifndef PRODUCT
+        if (PrintDeoptimizationDetails) {
+          tty->print("Reconstructed expression %d (OBJECT): ", i);
+          oop o = (oop)(*addr);
+          if (o == NULL) {
+            tty->print_cr("NULL");
+          } else {
+            tty->print_cr(err_msg("%s", o->klass()->name()->as_C_string()));
+          }
+        }
+#endif
         break;
       case T_CONFLICT:
         // A dead stack slot.  Initialize to null in case it is an oop.
@@ -344,9 +364,25 @@
     switch(value->type()) {
       case T_INT:
         *addr = value->get_int();
+#ifndef PRODUCT
+        if (PrintDeoptimizationDetails) {
+          tty->print_cr("Reconstructed local %d (INT): %d", i, (int)(*addr));
+        }
+#endif
         break;
       case T_OBJECT:
         *addr = value->get_int(T_OBJECT);
+#ifndef PRODUCT
+        if (PrintDeoptimizationDetails) {
+          tty->print("Reconstructed local %d (OBJECT): ", i);
+          oop o = (oop)(*addr);
+          if (o == NULL) {
+            tty->print_cr("NULL");
+          } else {
+            tty->print_cr(err_msg("%s", o->klass()->name()->as_C_string()));
+          }
+        }
+#endif
         break;
       case T_CONFLICT:
         // A dead location. If it is an oop then we need a NULL to prevent GC from following it
@@ -388,18 +424,13 @@
   }
 
 #ifndef PRODUCT
-  if (TraceDeoptimization && Verbose) {
+  if (PrintDeoptimizationDetails) {
     ttyLocker ttyl;
     tty->print_cr("[%d Interpreted Frame]", ++unpack_counter);
     iframe()->print_on(tty);
     RegisterMap map(thread);
     vframe* f = vframe::new_vframe(iframe(), &map, thread);
     f->print();
-
-    tty->print_cr("locals size     %d", locals()->size());
-    tty->print_cr("expression size %d", expressions()->size());
-
-    method()->print_value();
     tty->cr();
     // method()->print_codes();
   } else if (TraceDeoptimization) {