From 74842faf64da62deac21ff07d5e0b3882c097e22 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 26 Aug 2015 16:05:39 +0000
Subject: [PATCH] fileutils.rb: fix rename_cannot_overwrite_file

* lib/fileutils.rb (rename_cannot_overwrite_file): File.rename on
  cygwin and mswin/mingw can overwrite the destination file.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51696 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/fileutils.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/fileutils.rb b/lib/fileutils.rb
index 932776c847..9aa4036338 100644
--- a/lib/fileutils.rb
+++ b/lib/fileutils.rb
@@ -547,7 +547,7 @@ module FileUtils
   OPT_TABLE['move'] = [:force, :noop, :verbose, :secure]
 
   def rename_cannot_overwrite_file?   #:nodoc:
-    /cygwin|mswin|mingw|bccwin|emx/ =~ RUBY_PLATFORM
+    /emx/ =~ RUBY_PLATFORM
   end
   private_module_function :rename_cannot_overwrite_file?