From 6e72c2e3faf84634ac98d31be2344c2d604bed14 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 27 Jun 2022 14:02:15 -0600
Subject: [PATCH] [glyf] Add an assertion

---
 src/OT/glyf/SimpleGlyph.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/OT/glyf/SimpleGlyph.hh b/src/OT/glyf/SimpleGlyph.hh
index 338a63050..f09fda1cb 100644
--- a/src/OT/glyf/SimpleGlyph.hh
+++ b/src/OT/glyf/SimpleGlyph.hh
@@ -157,6 +157,7 @@ struct SimpleGlyph
   {
     const HBUINT16 *endPtsOfContours = &StructAfter<HBUINT16> (header);
     int num_contours = header.numberOfContours;
+    assert (num_contours);
     if (unlikely (!bytes.check_range (&endPtsOfContours[num_contours - 1]))) return false;
     unsigned int num_points = endPtsOfContours[num_contours - 1] + 1;