From 43922a5bf9ece3bc6d1421a35265a6256ebc89f0 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Tue, 21 Feb 2023 21:59:42 +0900
Subject: [PATCH] vm.c (mrb_gc_arena_shrink): use local variable

---
 src/vm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vm.c b/src/vm.c
index a271af28a..82a0bd558 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -65,7 +65,7 @@ mrb_gc_arena_shrink(mrb_state *mrb, int idx)
   mrb_gc *gc = &mrb->gc;
   int capa = gc->arena_capa;
 
-  mrb->gc.arena_idx = idx;
+  gc->arena_idx = idx;
   if (idx < capa / 4) {
     capa >>= 2;
     if (capa < MRB_GC_ARENA_SIZE) {