--- a/src/share/vm/runtime/vframeArray.cpp	Thu Mar 21 11:30:38 2013 +0100
+++ b/src/share/vm/runtime/vframeArray.cpp	Thu Mar 21 14:11:13 2013 +0100
@@ -63,7 +63,7 @@
   _method = vf->method();
   _bci    = vf->raw_bci();
   _reexecute = vf->should_reexecute();
-  
+
   int index;
 
   // Get the monitors off-stack
@@ -233,8 +233,6 @@
       // Force early return from top frame after deoptimization
 #ifndef CC_INTERP
       pc = Interpreter::remove_activation_early_entry(state->earlyret_tos());
-#else
-     // TBD: Need to implement ForceEarlyReturn for CC_INTERP (ia64)
 #endif
     } else {
       // Possibly override the previous pc computation of the top (youngest) frame
@@ -288,7 +286,7 @@
 
   _frame.patch_pc(thread, pc);
 
-  assert (!method()->is_synchronized() || locks > 0, "synchronized methods must have monitors");
+  assert (!method()->is_synchronized() || locks > 0 || raw_bci() == SynchronizationEntryBCI, "synchronized methods must have monitors");
 
   BasicObjectLock* top = iframe()->interpreter_frame_monitor_begin();
   for (int index = 0; index < locks; index++) {
@@ -431,6 +429,11 @@
     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) {