--- old/src/hotspot/share/runtime/vframe.cpp 2019-08-16 08:46:53.575801221 -0400 +++ new/src/hotspot/share/runtime/vframe.cpp 2019-08-16 08:46:52.354788077 -0400 @@ -211,7 +211,6 @@ if (monitor->eliminated() && is_compiled_frame()) { // Eliminated in compiled code if (monitor->owner_is_scalar_replaced()) { Klass* k = java_lang_Class::as_Klass(monitor->owner_klass()); - // format below for lockbits matches this one. st->print("\t- eliminated (a %s)", k->external_name()); } else { Handle obj(THREAD, monitor->owner()); @@ -224,7 +223,6 @@ if (monitor->owner() != NULL) { // the monitor is associated with an object, i.e., it is locked - markWord mark(markWord::zero()); const char *lock_state = "locked"; // assume we have the monitor locked if (!found_first_monitor && frame_count == 0) { // If this is the first frame and we haven't found an owned @@ -232,7 +230,7 @@ // the lock or if we are blocked trying to acquire it. Only // an inflated monitor that is first on the monitor list in // the first frame can block us on a monitor enter. - mark = monitor->owner()->mark(); + markWord mark = monitor->owner()->mark(); if (mark.has_monitor() && ( // we have marked ourself as pending on this monitor mark.monitor() == thread()->current_pending_monitor() || @@ -240,10 +238,6 @@ !mark.monitor()->is_entered(thread()) )) { lock_state = "waiting to lock"; - } else { - // We own the monitor which is not as interesting so - // disable the extra printing below. - mark = markWord::zero(); } } print_locked_object_class_name(st, Handle(THREAD, monitor->owner()), lock_state);