From 91ce0c45d6782057a2736f7b76a3c49cadbea070 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 5 May 2016 16:13:03 +0100
Subject: [PATCH] [safe-to-break] Fix logic when there is no out-buffer

---
 src/hb-buffer.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index c65e05712..6d13e1782 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -663,6 +663,12 @@ hb_buffer_t::unsafe_to_break_impl (unsigned int start, unsigned int end)
 void
 hb_buffer_t::unsafe_to_break_from_outbuffer (unsigned int start, unsigned int end)
 {
+  if (!have_output)
+  {
+    unsafe_to_break_impl (start, end);
+    return;
+  }
+
   assert (start <= out_len);
   assert (idx <= end);