Issue #9648 has been updated by Usaku NAKAMURA.

Backport changed from 2.0.0: UNKNOWN, 2.1: UNKNOWN to 2.0.0: DONTNEED, 2.1: DONTNEED

I've tested on 1.9.3-p545, 2.0.0-p451, 2.1.1 and found they are ok.
This problem is only with trunk.

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Bug #9648: Dir.glob('../*') shows unexpected result in a symbolic linked directory on Windows
https://bugs.ruby-lang.org/issues/9648#change-46326

* Author: Hiroshi Shirosaki
* Status: Feedback
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
* ruby -v: ruby 2.2.0dev (2014-03-17 trunk 45356) [x64-mingw32]
* Backport: 2.0.0: DONTNEED, 2.1: DONTNEED
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`Dir.glob('../*')` shows unexpected result if current directory is a symbolic linked directory on Windows.
This issue seems to be introduced by r44802.

The following is a test case.


~~~
C:\foo>mklink /D bar V:\
symbolic link created for bar <<===>> V:\

C:\foo>cd bar

C:\foo\bar>ruby -ve "p Dir.glob('../*')"
ruby 1.9.3p392 (2013-02-22) [i386-mingw32]
["../a", "../bar"]

C:\foo\bar>\rubyinstaller\sandbox\ruby21_build\miniruby.exe -ve "p Dir.glob('../*')"
ruby 2.2.0dev (2014-02-04 trunk 45356) [x64-mingw32]
[]


C:\foo\bar>dir ..
 Volume in drive C is OS
 Volume Serial Number is 6629-B36B

 Directory of C:\foo

2014/03/17  18:58    <DIR>          .
2014/03/17  18:58    <DIR>          ..
2014/03/17  18:45                 6 a
2014/03/17  18:58    <SYMLINKD>     bar [V:\]
               1 File(s)              6 bytes
               3 Dir(s)  81,915,052,032 bytes free
~~~



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