[llvm] [InstCombine] Fix for folding `select` into floating point binary operators. (PR #83200)

[via llvm-commits]

michele-scandale wrote:

I originally filed https://github.com/llvm/llvm-project/issues/82726 and in there https://github.com/llvm/llvm-project/issues/74297 was mentioned which is basically the same issue.

https://github.com/llvm/llvm-project/pull/83200