Remove hack ensuring that darwin didn't produce dwarf > 3 for modules
without a limiting factor.

Update all testcases accordingly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190002 91177308-0d34-0410-b5e6-96231b3b80d8
Use ArrayRef instead of explicit container.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190003 91177308-0d34-0410-b5e6-96231b3b80d8
Add missing header line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190004 91177308-0d34-0410-b5e6-96231b3b80d8