[PATCH] D151098: [Clang][Docs] Add help test to `-march` and `-mcpu` to suggest `-mcpu=help`

[Aaron Ballman via Phabricator via cfe-commits]

aaron.ballman accepted this revision.
aaron.ballman added a comment.
This revision is now accepted and ready to land.

LGTM, though it's a bit jarring that `-march` suggests using `-mcpu=help` (should we ensure that `-march=help` works on all targets instead?)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D151098/new/

https://reviews.llvm.org/D151098