[llvm] [BOLT] pacret-scanner: fix regression test failure (PR #128576)

[Maksim Panchenko via llvm-commits]

maksfb wrote:

> ... which is caused by a seemingly recent change in BOLTs basic block calculation, where function calls seem to be ending basic blocks? I don't have a pointer to the commit that caused this change. I'll be looking for that later. For now, I'm trying to get the regression tests passing again.

There were no recent changes to the way we build BBs. Please keep us posted of your findings.

https://github.com/llvm/llvm-project/pull/128576