[PATCH] D39549: [clang-format] Sort using-declarations case sensitively with a special case for '_'

[Krasimir Georgiev via Phabricator via cfe-commits]

krasimir added a comment.

How about this trade-off? I don't really want to re-implement comparison (it makes the code harder to read), so I replaced the state with an explicit computation.


https://reviews.llvm.org/D39549