[PATCH] D44826: Add -Wunused-using, a warning that finds unused using declarations.

[Carlos Alberto Enciso via Phabricator via cfe-commits]

CarlosAlbertoEnciso added a comment.

@dblaikie,

Thanks for your feedback and questions. I will address them.

Currently I am looking with more detail the tracking of the 'used' and 'referenced' bits.


Repository:
  rC Clang

https://reviews.llvm.org/D44826