Summary:
Reporting this as an error required stat()ing every file, as well as seeming
semantically questionable.
Reviewers: vsk, bkramer
Subscribers: mgrang, kristina, llvm-commits, liaoyuke
Differential Revision: https://reviews.llvm.org/D52648
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@343460 91177308-0d34-0410-b5e6-96231b3b80d8