discrepancy btw. Cygwin 32 & 64 wrt file permissions

[Will Parsons]

I've been using Cygwin for some time now, but recently decided to try
a parallel installation of Cygwin 64 on the same machine.  I've
noticed a strange discrepancy between how Cygwin 32 & 64 report file
permissions:

(32-bit)

% uname -a
CYGWIN_NT-6.1-WOW sothis 1.7.35(0.287/5/3) 2015-03-04 12:07 i686 Cygwin

% touch x
% chmod a-w x
% ls -l x
-r--r--r-- 1 william None 0 Mar  5 17:41 x
% ls -ln x
-r--r--r-- 1 197608 197121 0 Mar  5 17:41 x


(64-bits)

% uname -a
CYGWIN_NT-6.1 sothis 1.7.35(0.287/5/3) 2015-03-04 12:09 x86_64 Cygwin

% ls -l x
-rw-r--r-- 1 william None 0 Mar  5 17:41 x
% ls -ln x
-rw-r--r-- 1 197608 197121 0 Mar  5 17:41 x


Why does 64-bit Cygwin have a different idea of whether the file is
writable? 

-- 
Will


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