[llvm] [llvm] Improve implementation of StringRef::find_last_of and cie (PR #71865)

[Mehdi Amini via llvm-commits]

joker-eph wrote:

> > the build issue seems unrelated (?)
> 
> The windows bot has been pure noise for many weeks

This is factually incorrect: https://lab.llvm.org/buildbot/#/builders/271
Your experience is likely outdated.

https://github.com/llvm/llvm-project/pull/71865