From 59bf47e7f887ee987477d3c926d46dde87c1e15f Mon Sep 17 00:00:00 2001
From: Yukihiro Matsumoto <matz@ruby-lang.org>
Date: Mon, 13 Aug 2012 04:51:48 +0900
Subject: iv table may be empty

---
 src/variable.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/variable.c')

diff --git a/src/variable.c b/src/variable.c
index 187e8cdd4..618e8cb89 100644
--- a/src/variable.c
+++ b/src/variable.c
@@ -615,7 +615,7 @@ mrb_obj_instance_variables(mrb_state *mrb, mrb_value self)
   mrb_value ary;
 
   ary = mrb_ary_new(mrb);
-  if (obj_iv_p(self)) {
+  if (obj_iv_p(self) && mrb_obj_ptr(self)->iv) {
     iv_foreach(mrb, mrb_obj_ptr(self)->iv, iv_i, &ary);
   }
   return ary;
-- 
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