[PATCH] D123567: [clang][AVR] add more builtin macros

[Fangrui Song via Phabricator via cfe-commits]

MaskRay added a comment.

`avr-gcc -E -dM -xc /dev/null -dM  | grep __avr` has no result, so I am not sure this is correct.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D123567/new/

https://reviews.llvm.org/D123567