From 896377463f880fa653e49184f81ce1190d05e082 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 17 Nov 2022 15:25:45 -0700
Subject: [PATCH] [map] Don't resize map if not necessary

---
 src/hb-map.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hb-map.hh b/src/hb-map.hh
index 3886449c8..94648b289 100644
--- a/src/hb-map.hh
+++ b/src/hb-map.hh
@@ -160,6 +160,8 @@ struct hb_hashmap_t
   {
     if (unlikely (!successful)) return false;
 
+    if (new_population != 0 && new_population <= population) return true;
+
     unsigned int power = hb_bit_storage (hb_max (population, new_population) * 2 + 8);
     unsigned int new_size = 1u << power;
     item_t *new_items = (item_t *) hb_malloc ((size_t) new_size * sizeof (item_t));