From 50ffa683ca7b6de15f25392b8838d49d2e3cc750 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 21 Sep 2013 05:15:17 +0000
Subject: rdoc/constant.rb: workaround of NoMethodError

* lib/rdoc/constant.rb (RDoc::Constant#documented?): workaround for
  NoMethodError when the original of alias is not found.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43006 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rdoc/constant.rb | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'lib/rdoc/constant.rb')

diff --git a/lib/rdoc/constant.rb b/lib/rdoc/constant.rb
index 48b32aaf98..97985cbf99 100644
--- a/lib/rdoc/constant.rb
+++ b/lib/rdoc/constant.rb
@@ -63,7 +63,15 @@ class RDoc::Constant < RDoc::CodeObject
   # for a documented class or module.
 
   def documented?
-    super or is_alias_for && is_alias_for.documented?
+    return true if super
+    return false unless @is_alias_for
+    case @is_alias_for
+    when String then
+      found = @store.find_class_or_module @is_alias_for
+      return false unless found
+      @is_alias_for = found
+    end
+    @is_alias_for.documented?
   end
 
   ##
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