[PATCH] D138255: [Driver] -p: change from unused warning to error for most targets

[Fangrui Song via Phabricator via cfe-commits]

MaskRay added a comment.

Thanks! I think this is better landing before AIX -p patches for clarity, so I am landing it now...


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D138255/new/

https://reviews.llvm.org/D138255