From b0cdb074dcd474893c31783230127e795e676e58 Mon Sep 17 00:00:00 2001
From: daurnimator <quae@daurnimator.com>
Date: Fri, 5 May 2017 14:11:42 +1000
Subject: src/ldebug.js: Micro optimisation that brings code more in line with
 reference implementation

---
 src/ldebug.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/ldebug.js')

diff --git a/src/ldebug.js b/src/ldebug.js
index 50625e5..34c6fc5 100644
--- a/src/ldebug.js
+++ b/src/ldebug.js
@@ -567,11 +567,13 @@ const luaG_ordererror = function(L, p1, p2) {
 
 /* add src:line information to 'msg' */
 const luaG_addinfo = function(L, msg, src, line) {
-    let buff = ['?'.charCodeAt(0)];
+    let buff;
     if (src)
         buff = lobject.luaO_chunkid(src, luaconf.LUA_IDSIZE);
+    else
+        buff = ['?'.charCodeAt(0)];
 
-    return lobject.luaO_pushfstring(L, defs.to_luastring("%s:%d: %s", true), buff, line, msg)
+    return lobject.luaO_pushfstring(L, defs.to_luastring("%s:%d: %s", true), buff, line, msg);
 };
 
 const luaG_runerror = function(L, fmt, ...argp) {
-- 
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