[PATCH] [prototype] Adding line table debug information to LLVM on Windows

[Timur Iskhodzhanov]

Or can I use StringRef() as an empty key and StringRef("\0", 1) as a tombstone?

2013/12/21 Timur Iskhodzhanov <timurrrr at google.com>:
> 2013/12/20 dblaikie at gmail.com <dblaikie at gmail.com>:
>> If you don't need null values, you could have <null, ""> be the empty key
>> and <"", null> be the tombstone, or something like that.
>
> Or I can use an explicit second DenseMap template parameter... will
> give it a try.
>
> Would appreciate if you continue to review the rest of the patch
> assuming I'll fix this header soon :)