2 files changed, 5 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 5d5451419d..8b12c474e5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu May 21 04:11:03 2015  Koichi Sasada  <ko1@atdot.net>
+
+	* iseq.c (exception_type2symbol): show correct bug message.
+
 Wed May 20 23:19:05 2015  Yusuke Endoh  <mame@ruby-lang.org>
 
 	* lib/base64.rb: Fix rdoc-formatting for padding argument.
diff --git a/iseq.c b/iseq.c
index 367f8b3327..b4cdda3185 100644
--- a/iseq.c
+++ b/iseq.c
@@ -1623,7 +1623,7 @@ exception_type2symbol(VALUE type)
       case CATCH_TYPE_REDO:   CONST_ID(id, "redo");   break;
       case CATCH_TYPE_NEXT:   CONST_ID(id, "next");   break;
       default:
-	rb_bug("...");
+	rb_bug("exception_type2symbol: unknown type %d", (int)type);
     }
     return ID2SYM(id);
 }