[llvm] [Codegen] Spill/Restore FP/BP under option (PR #114791)

[Eli Friedman via llvm-commits]

efriedma-quic wrote:

If there's an open bug report reporting some specific code pattern breaks, we can discuss on that bug report whether it makes sense to temporarily revert the change.

It doesn't make sense to permanently disable the code.  Which is essentially what you're proposing, because you haven't given enough information to fix the issue.

https://github.com/llvm/llvm-project/pull/114791