tree 6f98e546d9a5745080675b16ffea08ef584280c4
parent 3c989027f68e2d9dfd57c018ccc550bd9fb79920
author Douglas Gregor <dgregor@apple.com> 1269293309 +0000
committer Douglas Gregor <dgregor@apple.com> 1269293309 +0000

Comment the reasons for the strange little dance we do with the main file name for debug information

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99215 91177308-0d34-0410-b5e6-96231b3b80d8