nobu	2016-08-03 17:15:08 +0900 (Wed, 03 Aug 2016)

  New Revision: 55808

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=55808

  Log:
    object.c: restrict freeze option
    
    * object.c (rb_obj_clone2): restrict freeze option to true other
      than false which only has the effect.  [Feature #12300]

  Modified files:
    trunk/ChangeLog
    trunk/object.c
Index: object.c
===================================================================
--- object.c	(revision 55807)
+++ object.c	(revision 55808)
@@ -339,6 +339,10 @@ rb_obj_clone2(int argc, VALUE *argv, VAL https://github.com/ruby/ruby/blob/trunk/object.c#L339
     if (!NIL_P(opt)) {
 	rb_get_kwargs(opt, keyword_ids, 0, 1, kwargs);
 	kwfreeze = kwargs[0];
+	if (kwfreeze != Qundef && kwfreeze != Qtrue && kwfreeze != Qfalse) {
+	    rb_raise(rb_eArgError, "unexpected value for freeze: %s",
+		     rb_builtin_class_name(kwfreeze));
+	}
     }
 
     if (rb_special_const_p(obj)) {
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 55807)
+++ ChangeLog	(revision 55808)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Wed Aug  3 17:15:06 2016  Nobuyoshi Nakada  <nobu@r...>
+
+	* object.c (rb_obj_clone2): restrict freeze option to true other
+	  than false which only has the effect.  [Feature #12300]
+
 Wed Aug  3 10:47:07 2016  Koichi Sasada  <ko1@a...>
 
 	* vm_core.h: introduce VM_FRAME_RUBYFRAME_P()

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