[PATCH] Fix llvm::sys::path::home_directory on unix to get path from passwd.pw_dir when the $HOME variable isn't set

[Ilia K]

In http://reviews.llvm.org/D7515#121843, @joker.eph wrote:

> FWIW, it seems to me that Python is doing it this way: https://github.com/enthought/Python-2.7.3/blob/master/Lib/posixpath.py


As you see my fix does the same thing.

Are you interested in this patch? If so I can fix your remarks


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http://reviews.llvm.org/D7515

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