Change an unusual directory permission back to a sane value after test.
Change an unusual directory permission back to a sane value after test.

Leaving a directory with a permission 0o100 is inconvenient.
For example, macOS's rm can't remove such directory.

git-svn-id: f6089bf0e6284f307027cef4f64114ee9ebb0424@301821 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lld,llvm-mirror/lld