From 5aafbca0e4769ca93ae088ec83f1ec6007e169a7 Mon Sep 17 00:00:00 2001
From: takkaw <takkaw@gmail.com>
Date: Mon, 14 Jan 2013 20:33:49 +0900
Subject: fix segmentation fault in BasicObject#inspect

---
 src/class.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/class.c b/src/class.c
index 6f83e997e..59431c26e 100644
--- a/src/class.c
+++ b/src/class.c
@@ -1139,8 +1139,13 @@ mrb_bob_missing(mrb_state *mrb, mrb_value mod)
     mrb_raise(mrb, E_TYPE_ERROR, "name should be a symbol");
   }
 
-  inspect = mrb_funcall(mrb, mod, "inspect", 0);
-  if (RSTRING_LEN(inspect) > 64) {
+  if (mrb_respond_to(mrb,mod,mrb_intern(mrb,"inspect"))){
+    inspect = mrb_funcall(mrb, mod, "inspect", 0);
+    if (RSTRING_LEN(inspect) > 64) {
+      inspect = mrb_any_to_s(mrb, mod);
+    }
+  }
+  else {
     inspect = mrb_any_to_s(mrb, mod);
   }
 
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