[llvm-branch-commits] [BOLT] Check duplicate top-of-brstack entry erratum (PR #147971)

[Amir Ayupov via llvm-branch-commits]

https://github.com/aaupov created https://github.com/llvm/llvm-project/pull/147971

Validate collected traces both from perf data and pre-aggregated data
if they are affected by duplicate top-of-stack entry erratum (affecting
Intel SKL and derived CPUs).

Test Plan: TBD