nobu	2015-03-09 13:57:51 +0900 (Mon, 09 Mar 2015)

  New Revision: 49901

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=49901

  Log:
    io.c: duplicate code
    
    * io.c (rb_io_close_m): remove duplicate check.

  Modified files:
    trunk/io.c
Index: io.c
===================================================================
--- io.c	(revision 49900)
+++ io.c	(revision 49901)
@@ -4427,7 +4427,6 @@ rb_io_close_m(VALUE io) https://github.com/ruby/ruby/blob/trunk/io.c#L4427
     if (fptr->fd < 0) {
         return Qnil;
     }
-    rb_io_check_closed(RFILE(io)->fptr);
     rb_io_close(io);
     return Qnil;
 }

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