[clang] nonblocking/nonallocating attributes: 2nd pass caller/callee analysis (PR #99656)

[Erich Keane via cfe-commits]

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+//=== SemaFunctionEffects.cpp - Sema handling of function effects ---------===//
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erichkeane wrote:

I've had a hard time with the review of this file, so I haven't done a close look.  Hopefully someone who understands this better than me has done a close review.

https://github.com/llvm/llvm-project/pull/99656