src/share/vm/runtime/handles.inline.hpp

@@ -67,21 +67,21 @@
     assert(_thread == Thread::current(), "thread must be current");    \
     assert (_thread->is_in_stack((address)this), "not on stack?");     \
     _thread->metadata_handles()->push((Metadata*)obj);                 \
   }                                                                    \
 }                                                                      \
-inline name##Handle::name##Handle(const name##Handle &h) {             \
+inline name##Handle::name##Handle(const name##Handle &h, bool check_in_stack) { \
   _value = h._value;                                                   \
   if (_value != NULL) {                                                \
     assert(_value->is_valid(), "obj is valid");                        \
     if (h._thread != NULL) {                                           \
       assert(h._thread == Thread::current(), "thread must be current");\
       _thread = h._thread;                                             \
     } else {                                                           \
       _thread = Thread::current();                                     \
     }                                                                  \
-    assert (_thread->is_in_stack((address)this), "not on stack?");     \
+    assert (! check_in_stack || _thread->is_in_stack((address)this), "not on stack?"); \
     _thread->metadata_handles()->push((Metadata*)_value);              \
   } else {                                                             \
     _thread = NULL;                                                    \
   }                                                                    \
 }                                                                      \