diff --git a/ChangeLog b/ChangeLog
index 96c543eeae..9367210b1a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Sep  7 21:03:35 2010  Tanaka Akira  <akr@fsij.org>
+
+	* ext/pathname/pathname.c (path_readable_real_p):
+	  Pathname#readable_real?  translated from pathname.rb.
+
 Mon Sep  6 23:07:25 2010  Tanaka Akira  <akr@fsij.org>
 
 	* ext/pathname/pathname.c (path_world_readable_p):
diff --git a/ext/pathname/lib/pathname.rb b/ext/pathname/lib/pathname.rb
index d3b1354db7..44b50297b7 100644
--- a/ext/pathname/lib/pathname.rb
+++ b/ext/pathname/lib/pathname.rb
@@ -486,9 +486,6 @@ end
 
 class Pathname    # * FileTest *
 
-  # See <tt>FileTest.readable_real?</tt>.
-  def readable_real?() FileTest.readable_real?(@path) end
-
   # See <tt>FileTest.setuid?</tt>.
   def setuid?() FileTest.setuid?(@path) end
 
diff --git a/ext/pathname/pathname.c b/ext/pathname/pathname.c
index 8950504497..d4eea84faf 100644
--- a/ext/pathname/pathname.c
+++ b/ext/pathname/pathname.c
@@ -714,6 +714,15 @@ path_world_readable_p(VALUE self)
     return rb_funcall(rb_mFileTest, rb_intern("world_readable?"), 1, get_strpath(self));
 }
 
+/*
+ * See <tt>FileTest.readable_real?</tt>.
+ */
+static VALUE
+path_readable_real_p(VALUE self)
+{
+    return rb_funcall(rb_mFileTest, rb_intern("readable_real?"), 1, get_strpath(self));
+}
+
 /*
  * == Pathname
  *
@@ -956,4 +965,5 @@ Init_pathname()
     rb_define_method(rb_cPathname, "owned?", path_owned_p, 0);
     rb_define_method(rb_cPathname, "readable?", path_readable_p, 0);
     rb_define_method(rb_cPathname, "world_readable?", path_world_readable_p, 0);
+    rb_define_method(rb_cPathname, "readable_real?", path_readable_real_p, 0);
 }