From 01fc90b68c023d380f3cd44e13b21972b3a41dcf Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 19 May 2022 16:00:06 -0600
Subject: [PATCH] [map] Adjust hash function

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

diff --git a/src/hb-map.hh b/src/hb-map.hh
index 3f4576bb9..4d3f6fde6 100644
--- a/src/hb-map.hh
+++ b/src/hb-map.hh
@@ -243,7 +243,7 @@ struct hb_hashmap_t
   {
     uint32_t h = 0;
     for (auto pair : iter ())
-      h ^= hb_hash (pair.first) ^ hb_hash (pair.second);
+      h ^= (hb_hash (pair.first) * 31) ^ hb_hash (pair.second);
     return h;
   }