From b9e5a7cf76b4453d028367531e211080b8da4792 Mon Sep 17 00:00:00 2001
From: Fabio <flsobral@gmail.com>
Date: Wed, 7 Jul 2021 16:52:48 -0300
Subject: [PATCH] weakreference: gc: adds support for subclasses of
 WeakReference

---
 TotalCrossVM/src/tcvm/objectmemorymanager.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/TotalCrossVM/src/tcvm/objectmemorymanager.c b/TotalCrossVM/src/tcvm/objectmemorymanager.c
index 93d4e15d8..a92c3e5bc 100644
--- a/TotalCrossVM/src/tcvm/objectmemorymanager.c
+++ b/TotalCrossVM/src/tcvm/objectmemorymanager.c
@@ -715,7 +715,7 @@ static void markSingleObject(TCObject o, bool dump) // NEVER call this directly,
          stackPush(objStack, &objs);
    }
    else // prevents WeakReference from marking its reference as used
-   if (c == weakReferenceClass)
+   if (c == weakReferenceClass || isSuperClass(c, weakReferenceClass))
    {
       if (FIELD_OBJ(o, OBJ_CLASS(o), 0) != NULL) {
          int32 size,idx;