From 02352c78b82d16b78243a3ccc04638df54ae40ee Mon Sep 17 00:00:00 2001
From: Robert Sesek <rsesek@bluestatic.org>
Date: Sat, 8 Oct 2016 17:55:40 -0400
Subject: [PATCH] Fix ref<T>::~ref to not try to RemoveRef if already deleted.

Caught by TestReset.
---
 zcpointer.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/zcpointer.h b/zcpointer.h
index 06ce70c..3155051 100644
--- a/zcpointer.h
+++ b/zcpointer.h
@@ -99,8 +99,10 @@ class ref {
   }
 
   ~ref() {
-    ptr_->get_deleter().RemoveRef(this);
-    MarkDeleted();
+    if (!IsDeleted()) {
+      ptr_->get_deleter().RemoveRef(this);
+      MarkDeleted();
+    }
   }
 
   T* operator->() const {
-- 
2.22.5