1 files changed, 6 insertions, 1 deletions
diff --git a/indra/llcommon/tests/llinstancetracker_test.cpp b/indra/llcommon/tests/llinstancetracker_test.cpp
index fda932c355..454695ff9f 100644
--- a/indra/llcommon/tests/llinstancetracker_test.cpp
+++ b/indra/llcommon/tests/llinstancetracker_test.cpp
@@ -112,6 +112,7 @@ namespace tut
     void object::test<2>()
     {
         ensure_equals(Unkeyed::instanceCount(), 0);
+        Unkeyed* dangling = NULL;
         {
             Unkeyed one;
             ensure_equals(Unkeyed::instanceCount(), 1);
@@ -124,7 +125,11 @@ namespace tut
                 ensure_equals(found, two.get());
             }
             ensure_equals(Unkeyed::instanceCount(), 1);
-        }
+            // store an unwise pointer to a temp Unkeyed instance
+            dangling = &one;
+        } // make that instance vanish
+        // check the now-invalid pointer to the destroyed instance
+        ensure("getInstance(T*) failed to track destruction", ! Unkeyed::getInstance(dangling));
         ensure_equals(Unkeyed::instanceCount(), 0);
     }