From a7c4972ccefaaf48dfd6f0f4588df0c785aa33d2 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 10 Aug 2017 20:16:15 -0700
Subject: [PATCH] [unsafe-to-break] Flag during fallback positioning

---
 src/hb-ot-shape-fallback.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-ot-shape-fallback.cc b/src/hb-ot-shape-fallback.cc
index ea8312b22..4da53f4cc 100644
--- a/src/hb-ot-shape-fallback.cc
+++ b/src/hb-ot-shape-fallback.cc
@@ -307,6 +307,9 @@ position_around_base (const hb_ot_shape_plan_t *plan,
 		      unsigned int end)
 {
   hb_direction_t horiz_dir = HB_DIRECTION_INVALID;
+
+  buffer->unsafe_to_break (base, end);
+
   hb_glyph_extents_t base_extents;
   if (!font->get_glyph_extents (buffer->info[base].codepoint,
 				&base_extents))