[llvm-branch-commits] compiler-rt: Introduce runtime functions for emulated PAC. (PR #133530)

[Peter Collingbourne via llvm-branch-commits]

pcc wrote:

> We cannot introduce BSD-licensed code to compiler-rt. Please see [my comment for more details](https://github.com/llvm/llvm-project/pull/133530#discussion_r2021952691).

Thanks, resolved by switching to SipHash. https://github.com/llvm/llvm-project/pull/134197 extracts the existing SipHash implementation into a header that can be included here.

https://github.com/llvm/llvm-project/pull/133530