From 9ee7d955e3ee15cfb6d72f7db6e1dffa3e4f1fbe Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Thu, 4 Jan 2024 11:18:14 +0900
Subject: [PATCH] mruby-metaprog: narrow the scope of a local variable

---
 mrbgems/mruby-metaprog/src/metaprog.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mrbgems/mruby-metaprog/src/metaprog.c b/mrbgems/mruby-metaprog/src/metaprog.c
index 3b93574c1..f1fe097c7 100644
--- a/mrbgems/mruby-metaprog/src/metaprog.c
+++ b/mrbgems/mruby-metaprog/src/metaprog.c
@@ -176,7 +176,6 @@ static mrb_value
 mrb_class_instance_method_list(mrb_state *mrb, mrb_bool recur, struct RClass *klass)
 {
   mrb_value ary;
-  struct RClass *oldklass;
   khash_t(st) *set = kh_init(st, mrb);
 
   if (!recur) {
@@ -187,8 +186,8 @@ mrb_class_instance_method_list(mrb_state *mrb, mrb_bool recur, struct RClass *kl
   }
   else {
     khash_t(st) *undef = kh_init(st, mrb);
+    struct RClass *oldklass = NULL;
 
-    oldklass = NULL;
     while (klass && (klass != oldklass)) {
       method_entry_loop(mrb, klass, set, undef);
       oldklass = klass;