[llvm] [SLP]Remove operands upon marking instruction for deletion. (PR #97409)

[Alan Zhao via llvm-commits]

alanzhao1 wrote:

See [repro.tar.gz](https://github.com/user-attachments/files/16149916/repro.tar.gz)

I'll see if I can get a reduced repro.

https://github.com/llvm/llvm-project/pull/97409