Use Path instead of Config->OutputFile. NFC.
Use Path instead of Config->OutputFile. NFC.

This function is always called with Config->OutputFile. That is not
obvious from reading the function. It should always use Path or take
no argument and always use Config->OutputFile.

git-svn-id: f6089bf0e6284f307027cef4f64114ee9ebb0424@317536 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lld,llvm-mirror/lld