[clang] nolock/noalloc attributes (PR #84983)

[Doug Wyatt via cfe-commits]

dougsonos wrote:

> I would maybe try going with that then for now (and maybe add a comment about that too); I’m not sure my function pointer example is really the same situation, but I remember finding an example that was analogous but for `noreturn` _somwhere_ in the test cases, but I don’t remember where.

Thanks. I just opened #85415 about the apparently reversed parameters to `IsFunctionConversion`

https://github.com/llvm/llvm-project/pull/84983