From 183768f08070003691f206ac16cb2310a7b4fa90 Mon Sep 17 00:00:00 2001
From: daurnimator <quae@daurnimator.com>
Date: Fri, 26 May 2017 17:06:55 +1000
Subject: src/lapi.js: Use a temporary variable in lua_len

---
 src/lapi.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/lapi.js')

diff --git a/src/lapi.js b/src/lapi.js
index a8e0c82..e323e4f 100644
--- a/src/lapi.js
+++ b/src/lapi.js
@@ -1060,8 +1060,9 @@ const lua_concat = function(L, n) {
 
 const lua_len = function(L, idx) {
     let t = index2addr(L, idx);
-    L.stack[L.top] = new TValue();
-    lvm.luaV_objlen(L, L.stack[L.top], t);
+    let tv = new TValue();
+    lvm.luaV_objlen(L, tv, t);
+    L.stack[L.top] = tv;
     L.top++;
     assert(L.top <= L.ci.top, "stack overflow");
 };
-- 
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