[llvm-dev] Proposal to add preprocessor warning for unused command line macros

[Tim Northover via llvm-dev]

On Mon, 6 May 2019 at 21:26, Mats Bengtsson via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
> Is this a reasonable proposal? Comments?

This is more of a topic for cfe-dev.

Tim.