Add a comment explaining why r117813 was needed.

llvm-svn: 119518
1 file changed
tree: b8b5545bea974abf5a7b2416e5c5cf0a81fe68f1
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. lldb/
  6. llvm/