[PATCH] D121096: [C++20][Modules][HU 2/5] Support searching Header Units in user or system search paths.

[Chuanqi Xu via Phabricator via cfe-commits]

ChuanqiXu added a comment.

BTW, all the tests uses ``clang_cc1`. How should the users do with `clang`? Could them use `-Xclang` only?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D121096/new/

https://reviews.llvm.org/D121096