From e28e2dad03a453c5e5c4c5a9d6fd276182c5f80b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 3 Dec 2022 15:56:43 -0700
Subject: [PATCH] [VarData] Don't clear memory we are going to fill in
 completely

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

diff --git a/src/hb-ot-layout-common.hh b/src/hb-ot-layout-common.hh
index 571c812e4..f94c3a5d3 100644
--- a/src/hb-ot-layout-common.hh
+++ b/src/hb-ot-layout-common.hh
@@ -2549,7 +2549,7 @@ struct VarData
 
     regionIndices.len = new_ri_count;
 
-    if (unlikely (!c->extend (this))) return_trace (false);
+    if (unlikely (!c->extend_size (this, get_size (), false))) return_trace (false);
 
     for (r = 0; r < new_ri_count; r++)
       regionIndices[r] = region_map[src->regionIndices[ri_map[r]]];