naruse	2019-04-21 14:48:35 +0900 (Sun, 21 Apr 2019)

  New Revision: 67679

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=67679

  Log:
    suppress redefinition warnings

  Modified files:
    trunk/lib/irb/workspace.rb
Index: lib/irb/workspace.rb
===================================================================
--- lib/irb/workspace.rb	(revision 67678)
+++ lib/irb/workspace.rb	(revision 67679)
@@ -49,7 +49,7 @@ EOF https://github.com/ruby/ruby/blob/trunk/lib/irb/workspace.rb#L49
           @binding = BINDING_QUEUE.pop
 
         when 3	# binding in function on TOPLEVEL_BINDING(default)
-          @binding = eval("def irb_binding; private; binding; end; irb_binding",
+          @binding = eval("self.class.remove_method(:irb_binding) if defined?(irb_binding); def irb_binding; private; binding; end; irb_binding",
                           TOPLEVEL_BINDING,
                           __FILE__,
                           __LINE__ - 3)

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