Add some really minimalist freebsd testing trees and use them in the
freebsd test so that it's behavior isn't dependent on the filesystem of
the host running the tests. This should revive the build bots at least.
The tests and the trees still need a lot of love to make them as useful
and easy to maintain as linux-ld.c.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148949 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed