From c32c39f1def6ac5be07ec049ded846386f802bf1 Mon Sep 17 00:00:00 2001
From: Araq <rumpf_a@web.de>
Date: Tue, 31 Jan 2017 13:08:47 +0100
Subject: [PATCH] make AVL tree node part of the memory regions; fixes hard to
 reproduce channel crashes

---
 lib/system/avltree.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/system/avltree.nim b/lib/system/avltree.nim
index 96c187841..8d4b7e897 100644
--- a/lib/system/avltree.nim
+++ b/lib/system/avltree.nim
@@ -81,7 +81,7 @@ proc del(a: var MemRegion, t: var PAvlNode, x: int) {.benign.} =
   if t == a.last and not isBottom(a.deleted) and x == a.deleted.key:
     a.deleted.key = t.key
     a.deleted.upperBound = t.upperBound
-    a.deleted = bottom
+    a.deleted = getBottom(a)
     t = t.link[1]
     deallocAvlNode(a, a.last)
   elif t.link[0].level < t.level-1 or