From 3ca8a17b2cf605f303914f1a286b277dc3dfdffc Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 6 Aug 2009 07:36:29 +0000
Subject: * encoding.c (rb_enc_associate_index): cannot set encoding on  
 special constants.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@24425 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 encoding.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'encoding.c')

diff --git a/encoding.c b/encoding.c
index 67f2dd8ae..1b0622c19 100644
--- a/encoding.c
+++ b/encoding.c
@@ -640,6 +640,9 @@ rb_enc_associate_index(VALUE obj, int idx)
 /*    enc_check_capable(obj);*/
     if (rb_enc_get_index(obj) == idx)
     	return obj;
+    if (SPECIAL_CONST_P(obj)) {
+	rb_raise(rb_eArgError, "cannot set encoding");
+    }
     if (!ENC_CODERANGE_ASCIIONLY(obj) ||
 	!rb_enc_asciicompat(rb_enc_from_index(idx))) {
 	ENC_CODERANGE_CLEAR(obj);
-- 
cgit