From 267ef461d0b13aa28d667f12d1a61452c9db529c Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 20 May 2025 17:55:08 -0300
Subject: Bug: check for constructor overflow in [exp] fields

The check for constructor overflow was considering only fields with
explicit names, ignoring fields with syntax '[exp]=exp'.
---
 lparser.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'lparser.c')

diff --git a/lparser.c b/lparser.c
index aebddaf7..1ac82990 100644
--- a/lparser.c
+++ b/lparser.c
@@ -849,12 +849,11 @@ static void recfield (LexState *ls, ConsControl *cc) {
   FuncState *fs = ls->fs;
   int reg = ls->fs->freereg;
   expdesc tab, key, val;
-  if (ls->t.token == TK_NAME) {
-    checklimit(fs, cc->nh, MAX_INT, "items in a constructor");
+  if (ls->t.token == TK_NAME)
     codename(ls, &key);
-  }
   else  /* ls->t.token == '[' */
     yindex(ls, &key);
+  checklimit(fs, cc->nh, MAX_INT, "items in a constructor");
   cc->nh++;
   checknext(ls, '=');
   tab = *cc->t;
-- 
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