Add more comments to what's going on here.
authorEric Christopher <echristo@gmail.com>
Mon, 7 Jan 2013 19:32:45 +0000 (19:32 +0000)
committerEric Christopher <echristo@gmail.com>
Mon, 7 Jan 2013 19:32:45 +0000 (19:32 +0000)
commit3cc42205600b2d3865efd1585d79663c41e048f1
treec43d4975d714a013dee2394b75c22957f7bf8db2
parentdd8e9f395e881972b320d947de88102a0be04b70
Add more comments to what's going on here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171780 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp