[llvm] SCEV: thread samesign in isBasicBlockEntryGuardedByCond (NFC) (PR #125840)

[Ramkumar Ramachandra via llvm-commits]

artagnon wrote:

> * Is there an issue filed for it?
> * Should we mark the test as `UNSUPPORTED` on aarch64 until it's no longer flaky?

Please mark it as UNSUPPORTED and file an issue. A quick search didn't pull anything up.

https://github.com/llvm/llvm-project/pull/125840