nobu	2016-12-27 16:39:29 +0900 (Tue, 27 Dec 2016)

  New Revision: 57204

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=57204

  Log:
    io.c: use io_close to close ARGF

  Modified files:
    trunk/io.c
Index: io.c
===================================================================
--- io.c	(revision 57203)
+++ io.c	(revision 57204)
@@ -7986,7 +7986,7 @@ argf_close(VALUE argf) https://github.com/ruby/ruby/blob/trunk/io.c#L7986
     if (RB_TYPE_P(file, T_FILE)) {
 	rb_io_set_write_io(file, Qnil);
     }
-    rb_funcall3(file, rb_intern("close"), 0, 0);
+    io_close(file);
     ARGF.init_p = -1;
 }
 

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