[PATCH] D154396: [clang] Add support for SerenityOS

[Fangrui Song via Phabricator via cfe-commits]

MaskRay added a comment.

Upstreaming support requires rigid testing, otherwise it's fairly easy for other contributors to break your code while refactoring.
https://maskray.me/blog/2021-08-08-toolchain-testing "I don't know whether a test is needed"

`clang/test/Driver` has many tests that could have been written in a better way. There are some good ones, e.g. `linux-cross.cpp`.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D154396/new/

https://reviews.llvm.org/D154396