Summary:
This is required for compliance with the Mozilla style guide.

This is a rebase+minor change of Birunthan Mohanathas's patch


Reviewers: djasper

Subscribers: klimek, cfe-commits, opilarium

Differential Revision: https://reviews.llvm.org/D23317

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@278121 91177308-0d34-0410-b5e6-96231b3b80d8