[PATCH] D86993: Document Clang's expectations of the C standard library.

[Ralf via Phabricator via cfe-commits]

RalfJung added a comment.

The first point is important for LLVM's own memcpy/memmove intrinsics, which are documented as NOPs on size 0 (and e.g. Rust relies on that).

`memset` should be added to that list.


Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D86993