From 72bf46de2213b09a03da6c99bcbe9b462a154899 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sun, 30 Jun 2024 18:19:52 +0900
Subject: [PATCH] array.c (mrb_ary_cmp): fixed wrong type casting

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

diff --git a/src/array.c b/src/array.c
index 21e7f5aa1..fd9d399d0 100644
--- a/src/array.c
+++ b/src/array.c
@@ -1501,7 +1501,7 @@ mrb_ary_cmp(mrb_state *mrb, mrb_value ary1)
     if (n == -2) return mrb_nil_value();
     if (n != 0) return mrb_fixnum_value(n);
   }
-  len = RSTRING_LEN(ary1) - RSTRING_LEN(ary2);
+  len = RARRAY_LEN(ary1) - RARRAY_LEN(ary2);
   if (len == 0) return mrb_fixnum_value(0);
   else if (len > 0) return mrb_fixnum_value(1);
   else return mrb_fixnum_value(-1);