[llvm] [RISCV] Add a check in lowerSELECT after foldBinOpIntoSelectIfProfitable (PR #97391)

[Mikhail Gudim via llvm-commits]

mgudim wrote:

> The title and the description don't say what the extra check is.

The description says what the check is.

https://github.com/llvm/llvm-project/pull/97391