[PATCH] D133502: [ADT] Mark `llvm::array_lengthof` as deprecated

[Fangrui Song via Phabricator via llvm-commits]

MaskRay accepted this revision.
MaskRay added a comment.

With my downstream inspection, I think `array_lengthof` is used much less than `Optional::{hasValue,getValue}`, etc.
I appreciate that `Optional::{hasValue,getValue}` had a very long deprecation period so downstream can be more prepared.
`array_lengthof` removal may not need that long time.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D133502/new/

https://reviews.llvm.org/D133502