--- old/src/share/vm/ci/bcEscapeAnalyzer.cpp	2017-07-26 13:21:53.683680123 +0200
+++ new/src/share/vm/ci/bcEscapeAnalyzer.cpp	2017-07-26 13:21:53.599680127 +0200
@@ -1040,6 +1040,11 @@
       }
       case Bytecodes::_breakpoint:
         break;
+      case Bytecodes::_vbox:
+      case Bytecodes::_vunbox:
+        set_method_escape(state.apop());
+        state.apush(allocated_obj);
+        break;
       default:
         ShouldNotReachHere();
         break;