[llvm] [SLP][REVEC] Fix CommonMask is transformed into vector form but used outside finalize. (PR #120952)

[Alexey Bataev via llvm-commits]

alexey-bataev wrote:

ShuffleBuilders should operate on full masks, that's by the design. Otherwise, it is a potential source of bugs and further code complications

https://github.com/llvm/llvm-project/pull/120952