From 4a1cfe70dc31f9be8a12908d85b51297d61b8eae Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 3 Dec 2011 11:52:14 +0000
Subject: * variable.c (set_const_visibility): print a warning when no argument
   is passwd to Module#private_constant.  [ruby-list:48558]

* vm_method.c (set_method_visibility): ditto for
  Module#private_class_method.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33936 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 variable.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'variable.c')

diff --git a/variable.c b/variable.c
index fc912d64f8..7f8988c579 100644
--- a/variable.c
+++ b/variable.c
@@ -2111,6 +2111,10 @@ set_const_visibility(VALUE mod, int argc, VALUE *argv, rb_const_flag_t flag)
 		 "Insecure: can't change constant visibility");
     }
 
+    if (argc == 0) {
+	rb_warning("%s with no argument is just ignored", rb_id2name(rb_frame_callee()));
+    }
+
     for (i = 0; i < argc; i++) {
 	VALUE val = argv[i];
 	id = rb_check_id(&val);
-- 
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