From abb9d149ed75a36be38f46ef376db8cfc8e65633 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 20 Nov 2018 00:24:28 -0500
Subject: [PATCH] [subset] Fix subsetting of VarStore

Was *so* broken.  Ouch!

Reported by Nyshadh, reproduced with Comfortaa-Regular.ttf.
---
 Lib/fontTools/varLib/varStore.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/fontTools/varLib/varStore.py b/Lib/fontTools/varLib/varStore.py
index 6afedf6eb..ae885d3ea 100644
--- a/Lib/fontTools/varLib/varStore.py
+++ b/Lib/fontTools/varLib/varStore.py
@@ -204,7 +204,7 @@ def VarStore_subset_varidxes(self, varIdxes, optimize=True):
 		usedMinors = used.get(major)
 		if usedMinors is None:
 			continue
-		newMajor = varDataMap[major] = len(newVarData)
+		newMajor = len(newVarData)
 		newVarData.append(data)
 
 		items = data.Item