[llvm] [SLP]Support revectorization of the previously vectorized scalars (PR #133091)

[Alexander Kornienko via llvm-commits]

alexfh wrote:

> Fixed in [f413772](https://github.com/llvm/llvm-project/commit/f413772b318c2da4dfc488df81cb3c458606301f)

Thanks! Will try with the original failures.

https://github.com/llvm/llvm-project/pull/133091