From 36f917cc6ac8b3b0c9cbc549fab2f839f6f5680b Mon Sep 17 00:00:00 2001
From: Alexei Podtelezhnikov <apodtele@gmail.com>
Date: Mon, 8 Sep 2025 11:03:24 -0400
Subject: [PATCH] * src/truetype/ttinterp.c (TT_Run_Context): Fix IUP tracking
 bits.

Correctly fixes #1353 and #1349.
---
 src/truetype/ttinterp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/truetype/ttinterp.c b/src/truetype/ttinterp.c
index 9ae90c769..7b26c9a9d 100644
--- a/src/truetype/ttinterp.c
+++ b/src/truetype/ttinterp.c
@@ -7524,7 +7524,7 @@
 #ifdef TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL
     /* Reset IUP tracking bits in the backward compatibility mode. */
     /* See `ttinterp.h' for details.                               */
-    exec->backward_compatibility &= ~0x6;
+    exec->backward_compatibility &= ~0x3;
 #endif
 
     /* some glyphs leave something on the stack, */