From 33e3bf2d79c9b5598ba373ab093ec8b71404794b Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 28 Jun 2022 13:46:04 -0600
Subject: [PATCH] [font] Drop caches on variation changes

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

diff --git a/src/hb-font.cc b/src/hb-font.cc
index 51c55a6c9..8c4fe863b 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1737,6 +1737,8 @@ _hb_font_adopt_var_coords (hb_font_t *font,
   font->coords = coords;
   font->design_coords = design_coords;
   font->num_coords = coords_length;
+
+  font->mults_changed (); // Easiest to call this to drop cached data
 }
 
 /**
@@ -1766,7 +1768,6 @@ hb_font_create_sub_font (hb_font_t *parent)
   font->x_scale = parent->x_scale;
   font->y_scale = parent->y_scale;
   font->slant = parent->slant;
-  font->mults_changed ();
   font->x_ppem = parent->x_ppem;
   font->y_ppem = parent->y_ppem;
   font->ptem = parent->ptem;
@@ -1789,6 +1790,8 @@ hb_font_create_sub_font (hb_font_t *parent)
     }
   }
 
+  font->mults_changed ();
+
   return font;
 }