From 22874829057e03bbc9aabdad2970048e0b9b9258 Mon Sep 17 00:00:00 2001
From: Benoit Giannangeli <giann008@gmail.com>
Date: Sun, 21 May 2017 01:04:18 +0200
Subject: lua_checkstack did not adjust ci.top

---
 src/lapi.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/lapi.js b/src/lapi.js
index c0e619b..1fb8baa 100644
--- a/src/lapi.js
+++ b/src/lapi.js
@@ -91,7 +91,13 @@ const index2addr_ = function(L, idx) {
 };
 
 const lua_checkstack = function(L, n) {
-    return L.stack.length < luaconf.LUAI_MAXSTACK;
+    let ci = L.ci;
+    let res = L.stack.length < luaconf.LUAI_MAXSTACK;
+
+    if (res && ci.top < L.top + n)
+        ci.top = L.top + n;  /* adjust frame top */
+
+    return res;
 };
 
 const lua_xmove = function(from, to, n) {
-- 
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