From 3e88b72b8e71c0946d089a04876e7bdc61d187a9 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Mon, 19 Aug 2024 18:39:25 -0300
Subject: A return can have at most 254 values

---
 lcode.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'lcode.c')

diff --git a/lcode.c b/lcode.c
index e7750fff..8786a721 100644
--- a/lcode.c
+++ b/lcode.c
@@ -208,6 +208,8 @@ void luaK_ret (FuncState *fs, int first, int nret) {
     case 1: op = OP_RETURN1; break;
     default: op = OP_RETURN; break;
   }
+  if (nret + 1 > MAXARG_B)
+    luaX_syntaxerror(fs->ls, "too many returns");
   luaK_codeABC(fs, op, first, nret + 1, 0);
 }
 
-- 
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