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

[Mehdi AMINI]

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


REPOSITORY
  rL LLVM

http://reviews.llvm.org/D7515

EMAIL PREFERENCES
  http://reviews.llvm.org/settings/panel/emailpreferences/