[PATCH] D124157: [clang][preprocessor] Add more macros to target AVR

[Ben Shi via Phabricator via cfe-commits]

benshi001 added a reviewer: MaskRay.
benshi001 added a comment.
Herald added a subscriber: StephenFan.

avr-gcc does define this __AVR_TINY_ macro for the tiny device family, we can check that by `avr-gcc -mmcu=avrtiny -E -dM -xc /dev/null -dM  | grep tiny -i`.


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https://reviews.llvm.org/D124157