[PATCH] D90646: [clang] Add warning when `-include-pch` is passed multiple times

[Fangrui Song via Phabricator via cfe-commits]

MaskRay added a comment.

There are many options whether the latter one overrides the previous ones. How is this special?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D90646/new/

https://reviews.llvm.org/D90646