[llvm-branch-commits] [BOLT] Split up StaleProfileMatching::matchWeights (PR #165492)

[Amir Ayupov via llvm-branch-commits]

https://github.com/aaupov created https://github.com/llvm/llvm-project/pull/165492

This temporarily disables pseudo probe matching, to be reenabled in a
follow-up

Test Plan: NFC (except probe matching)