From 473c5d04042c93c15865b53fd8fbbe3003679afc Mon Sep 17 00:00:00 2001
From: Michiharu Ariza <ariza@adobe.com>
Date: Thu, 20 Dec 2018 16:45:50 -0800
Subject: [PATCH] test

---
 src/hb-cff-interp-common.hh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/hb-cff-interp-common.hh b/src/hb-cff-interp-common.hh
index f0941cf13..f6ff501b4 100644
--- a/src/hb-cff-interp-common.hh
+++ b/src/hb-cff-interp-common.hh
@@ -310,6 +310,15 @@ struct byte_str_t : hb_ubytes_t
     : hb_ubytes_t (s, l) {}
   byte_str_t (const hb_ubytes_t &ub)	/* conversion from hb_ubytes_t */
     : hb_ubytes_t (ub) {}
+
+  /* Destructor */
+  ~byte_str_t () {}
+  
+  /* Copy assignment operator */
+  byte_str_t &operator=(byte_str_t &bs)
+  {
+    return *this; /* test */
+  }
   
   /* sub-string */
   byte_str_t sub_str (unsigned int offset, unsigned int len_) const