From d2a2f5bf4ed66979b17332f35b52c3395b02ed2d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 25 Nov 2022 12:44:02 -0700
Subject: [PATCH] [vector] Handroll copy

---
 src/hb-vector.hh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/hb-vector.hh b/src/hb-vector.hh
index 7304d9aeb..b914be184 100644
--- a/src/hb-vector.hh
+++ b/src/hb-vector.hh
@@ -267,7 +267,10 @@ struct hb_vector_t
   copy_vector (const hb_vector_t &other)
   {
     length = other.length;
-    hb_memcpy ((void *) arrayZ, (const void *) other.arrayZ, length * item_size);
+    /* This runs faster because of alignment. */
+    for (unsigned i = 0; i < length; i++)
+      arrayZ[i] = other.arrayZ[i];
+    //hb_memcpy ((void *) arrayZ, (const void *) other.arrayZ, length * item_size);
   }
   template <typename T = Type,
 	    hb_enable_if (!hb_is_trivially_copyable (T) &&