[llvm] [SLP]Initial support for non-power-of-2 (but still whole register) number of elements in operands. (PR #107273)

[Florian Hahn via llvm-commits]

fhahn wrote:

Looks like there may be another crash: https://llvm.godbolt.org/z/azGPd145f

https://github.com/llvm/llvm-project/pull/107273