[compiler-rt] [scudo] Improve performance of pushBlocks sort. (PR #200297)

[Vitaly Buka via llvm-commits]

vitalybuka wrote:

> > @cferris1000 We have https://lab.llvm.org/buildbot/#/builders/139/builds/32198
> > It mostly tests SCUDO. Do we want to keep it? If yes, than we need to recover disabled platforms https://github.com/llvm/llvm-zorg/blob/f7917c5afa877a73793dcfcdd812d7c55bc122e1/zorg/buildbot/builders/sanitizers/buildbot_qemu.sh#L285
> 
> I think we do want to keep it, but I don't know the ins and outs of the buildbots. I'm not sure what you mean by recover disabled platforms though. Is there something in particular you need from me?

recover - figure out what is need to be done to fix builds, e.g. mips is broken https://lab.llvm.org/buildbot/#/builders/139/builds/32444

It's set to warning to avoid spamming commiters.
Likely needs some cmake or it's invocation to be updated.

https://github.com/llvm/llvm-project/pull/200297