From fc80d20cb5cd25ee2d2579f2da018870e76aaa0e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 23 Jun 2023 15:21:30 -0600
Subject: [PATCH] [serialize] Only hash at most 128 bytes for object_t

Optimization. Shouldn't in reality bring down the hash performance.
Byte objects differ in their early bytes anyway.
---
 src/hb-serialize.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-serialize.hh b/src/hb-serialize.hh
index 3e2d6a0d9..f852f07ba 100644
--- a/src/hb-serialize.hh
+++ b/src/hb-serialize.hh
@@ -113,7 +113,7 @@ struct hb_serialize_context_t
     {
       // Virtual links aren't considered for equality since they don't affect the functionality
       // of the object.
-      return hb_bytes_t (head, tail - head).hash () ^
+      return hb_bytes_t (head, hb_min (128, tail - head)).hash () ^
           real_links.as_bytes ().hash ();
     }