[issue11397] os.path.realpath() may produce incorrect results

[Santoso Wijaya]

Santoso Wijaya <santoso.wijaya at gmail.com> added the comment:

I'm attaching a patch that fixes this bug. I'm using a different algorithm altogether than the currently existing one, to allow a stack-based approach that lends itself to fixing this bug (as inspired by Wojciech). Hopefully it won't expose new, subtler bugs...

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Added file: http://bugs.python.org/file21320/issue11397.patch

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