[llvm] [RISCV] Fix assertion in combineBinOpOfExtractToReduceTree on type mismatch (PR #202201)

[Tanmay Gulhane via llvm-commits]

trg-rgb wrote:

Thanks for the review, @topperc. The AI usage is now noted in the
PR description as requested. Is there anything else needed from my
side before this can go in?

https://github.com/llvm/llvm-project/pull/202201