nobu	2015-12-10 03:15:04 +0900 (Thu, 10 Dec 2015)

  New Revision: 53012

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=53012

  Log:
    dir.c, io.c: use rb_id_encoding
    
    * dir.c (dir_initialize): rb_id_encoding() returns same ID with
      caching.
    
    * io.c (Init_IO): ditto.

  Modified files:
    trunk/dir.c
    trunk/io.c
Index: io.c
===================================================================
--- io.c	(revision 53011)
+++ io.c	(revision 53012)
@@ -12494,7 +12494,7 @@ Init_IO(void) https://github.com/ruby/ruby/blob/trunk/io.c#L12494
     sym_flags = ID2SYM(rb_intern("flags"));
     sym_extenc = ID2SYM(rb_intern("external_encoding"));
     sym_intenc = ID2SYM(rb_intern("internal_encoding"));
-    sym_encoding = ID2SYM(rb_intern("encoding"));
+    sym_encoding = ID2SYM(rb_id_encoding());
     sym_open_args = ID2SYM(rb_intern("open_args"));
     sym_textmode = ID2SYM(rb_intern("textmode"));
     sym_binmode = ID2SYM(rb_intern("binmode"));
Index: dir.c
===================================================================
--- dir.c	(revision 53011)
+++ dir.c	(revision 53012)
@@ -491,7 +491,7 @@ dir_initialize(int argc, VALUE *argv, VA https://github.com/ruby/ruby/blob/trunk/dir.c#L491
     const char *path;
 
     if (!keyword_ids[0]) {
-	keyword_ids[0] = rb_intern("encoding");
+	keyword_ids[0] = rb_id_encoding();
     }
 
     fsenc = rb_filesystem_encoding();

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