From 6420ffe00fc4f4c6ffa63b80d961f70bc36c2caf Mon Sep 17 00:00:00 2001
From: Michiharu Ariza <ariza@adobe.com>
Date: Mon, 15 Oct 2018 14:03:18 -0700
Subject: [PATCH] fixed type casting bug

---
 src/hb-cff-interp-common.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-cff-interp-common.hh b/src/hb-cff-interp-common.hh
index 9b7ccf06a..167bd7a7e 100644
--- a/src/hb-cff-interp-common.hh
+++ b/src/hb-cff-interp-common.hh
@@ -692,7 +692,7 @@ struct InterpEnv
 
   inline OpCode fetch_op (void)
   {
-    OpCode  op = OpCode_Reserved2;
+    OpCode  op = OpCode_Invalid;
     if (unlikely (!substr.avail ()))
       return OpCode_Invalid;
     op = (OpCode)(unsigned char)substr[0];
@@ -742,7 +742,7 @@ struct OpSet
   {
     switch (op) {
       case OpCode_shortint:
-        env.argStack.push_int ((env.substr[0] << 8) | env.substr[1]);
+        env.argStack.push_int ((int16_t)((env.substr[0] << 8) | env.substr[1]));
         env.substr.inc (2);
         break;