From 186680966dbb115d9c09856a2e2b7e1a7070e179 Mon Sep 17 00:00:00 2001
From: ken <ken@mihrtec.com>
Date: Sat, 18 Feb 2017 11:22:43 -0800
Subject: [PATCH] fixed potential segfault

---
 src/ir.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/ir.c b/src/ir.c
index 27b4d15..d2829d6 100644
--- a/src/ir.c
+++ b/src/ir.c
@@ -596,8 +596,9 @@ union ir_setdata_t* ir_link
   link = struct_alloc(ir_link_t);
   struct_clear(link);
   link->header.type = LDAT;
-  link->type = link_type; 
-  link->classld = setld->classld;
+  link->type = link_type;
+  if (setld != NULL)
+    link->classld = setld->classld;
   link->setld = setld;
   if (link_type != OLINK && name != NULL)
     link->header.data_name = name_alloc(name);
-- 
2.18.0