[PATCH] D73500: [driver] Add a -builtininc flag that lets Darwin driver include Clang builtin headers even with -nostdinc

[Alex Lorenz via Phabricator via cfe-commits]

arphaman updated this revision to Diff 241029.
arphaman marked 2 inline comments as done.
arphaman added a comment.

Add suggested changes. The `-ibuiltininc` flag now interacts with `-nobuiltininc` as well, i.e. it's cancelled out if `-nobuiltininc` comes after it, and vice-versa.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D73500/new/

https://reviews.llvm.org/D73500

Files:
  clang/include/clang/Driver/Options.td
  clang/lib/Driver/ToolChains/Darwin.cpp
  clang/test/Driver/darwin-header-search-system.cpp

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