From 30b23bdd3a25ee06784dde1ca03ab90fbe11c992 Mon Sep 17 00:00:00 2001
From: daurnimator <quae@daurnimator.com>
Date: Mon, 29 May 2017 13:46:04 +1000
Subject: src/lapi.js: When joining upvalues, increase reference count on
 copied upvalue

---
 src/lapi.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lapi.js b/src/lapi.js
index 529a009..42e87a9 100644
--- a/src/lapi.js
+++ b/src/lapi.js
@@ -1108,8 +1108,8 @@ const lua_upvaluejoin = function(L, fidx1, n1, fidx2, n2) {
     let up1 = ref1.upvalOff;
     let up2 = ref2.upval;
     let f1 = ref1.closure;
-
     f1.upvals[up1] = up2;
+    up2.refcount++;
 };
 
 // This functions are only there for compatibility purposes
-- 
cgit v1.2.3-54-g00ecf