From bf225feb265af6d796721d3a7e2b6800d160d42d Mon Sep 17 00:00:00 2001
From: Jean Boussier <jean.boussier@gmail.com>
Date: Wed, 4 Dec 2024 19:55:35 +0100
Subject: [PATCH] Fix an off by one in `rb_ary_resize`

When setting len to X we only need to grow the array
if len is bigger than capa. If they're equal we don't need to
increase capacity.
---
 array.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/array.c b/array.c
index d4b9b87b25..bee0478e80 100644
--- a/array.c
+++ b/array.c
@@ -2304,7 +2304,7 @@ rb_ary_resize(VALUE ary, long len)
         rb_raise(rb_eIndexError, "index %ld too big", len);
     }
     if (len > olen) {
-        if (len >= ARY_CAPA(ary)) {
+        if (len > ARY_CAPA(ary)) {
             ary_double_capa(ary, len);
         }
         ary_mem_clear(ary, olen, len - olen);