shugo	2015-06-29 14:52:38 +0900 (Mon, 29 Jun 2015)

  New Revision: 51060

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=51060

  Log:
    * eval.c (add_activated_refinement): should not include the original
      class.

  Modified files:
    trunk/ChangeLog
    trunk/eval.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 51059)
+++ ChangeLog	(revision 51060)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Mon Jun 29 14:50:08 2015  Shugo Maeda  <shugo@r...>
+
+	* eval.c (add_activated_refinement): should not include the original
+	  class.
+
 Mon Jun 29 12:09:10 2015  SHIBATA Hiroshi  <hsbt@r...>
 
 	* README.md: tweak styles. [fix GH-945][ci skip] Patch by @bryndyment
Index: eval.c
===================================================================
--- eval.c	(revision 51059)
+++ eval.c	(revision 51060)
@@ -1274,7 +1274,7 @@ add_activated_refinement(VALUE activated https://github.com/ruby/ruby/blob/trunk/eval.c#L1274
     c = iclass = rb_include_class_new(refinement, superclass);
     RCLASS_REFINED_CLASS(c) = klass;
     refinement = RCLASS_SUPER(refinement);
-    while (refinement) {
+    while (refinement && refinement != klass) {
 	FL_SET(refinement, RMODULE_IS_OVERLAID);
 	c = RCLASS_SET_SUPER(c, rb_include_class_new(refinement, RCLASS_SUPER(c)));
 	RCLASS_REFINED_CLASS(c) = klass;

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