From 58e9df132fd5db88667bb71a7538358d4109ce33 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 3 Dec 2022 13:04:00 -0700
Subject: [PATCH] [Device] Serialize VariationDevice zerocopy

---
 src/hb-ot-layout-common.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hb-ot-layout-common.hh b/src/hb-ot-layout-common.hh
index 87c0ae2f5..31e981341 100644
--- a/src/hb-ot-layout-common.hh
+++ b/src/hb-ot-layout-common.hh
@@ -3460,6 +3460,7 @@ struct VariationDevice
     if (!layout_variation_idx_delta_map->has (varIdx, &v))
       return_trace (nullptr);
 
+    c->start_zerocopy (this->static_size);
     auto *out = c->embed (this);
     if (unlikely (!out)) return_trace (nullptr);