From 1fdd96104180cc0fb5d3cb086b05ab6458911bb9 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Mon, 7 Apr 2025 11:35:19 +0900
Subject: [PATCH] mruby-compiler (scope_new): need to initialize nregs; fix
 #6509

`nregs` should not be smaller than `nlocals`.
---
 mrbgems/mruby-compiler/core/codegen.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mrbgems/mruby-compiler/core/codegen.c b/mrbgems/mruby-compiler/core/codegen.c
index be0bf875a..9deaa7fec 100644
--- a/mrbgems/mruby-compiler/core/codegen.c
+++ b/mrbgems/mruby-compiler/core/codegen.c
@@ -4012,7 +4012,7 @@ scope_new(mrb_state *mrb, codegen_scope *prev, node *nlv)
 
   s->lv = nlv;
   s->sp += node_len(nlv)+1;        /* add self */
-  s->nlocals = s->sp;
+  s->nlocals = s->nregs = s->sp;
   if (nlv) {
     mrb_sym *lv;
     node *n = nlv;