Update current expected failures list - expand it to include all of

Update current expected failures list - expand it to include all of
SingleSource. Update to-do list (open-coding refers to binary operations on
longs, not to passing them into functions, which we already support.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17948 91177308-0d34-0410-b5e6-96231b3b80d8