ko1	2015-06-05 01:15:13 +0900 (Fri, 05 Jun 2015)

  New Revision: 50773

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=50773

  Log:
    * vm_insnhelper.c (vm_defined): show additional messages on rb_bug().

  Modified files:
    trunk/ChangeLog
    trunk/vm_insnhelper.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 50772)
+++ ChangeLog	(revision 50773)
@@ -1,3 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Fri Jun  5 01:14:02 2015  Koichi Sasada  <ko1@a...>
+
+	* vm_insnhelper.c (vm_defined): show additional messages on rb_bug().
+
 Fri Jun  5 01:06:02 2015  Koichi Sasada  <ko1@a...>
 
 	* vm_method.c (rb_add_method_iseq): use intermediate struct to
Index: vm_insnhelper.c
===================================================================
--- vm_insnhelper.c	(revision 50772)
+++ vm_insnhelper.c	(revision 50773)
@@ -2479,7 +2479,7 @@ vm_defined(rb_thread_t *th, rb_control_f https://github.com/ruby/ruby/blob/trunk/vm_insnhelper.c#L2479
 		expr_type = DEFINED_METHOD;
 		break;
 	      default:
-		rb_bug("unreachable");
+		rb_bug("vm_defined: unreachable: %u", (unsigned int)def->flags.visi);
 	    }
 	}
 	else {

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