Templetize ControlPathState on whether multiple states are allowed for the same node. Instantiate BranchElimination to allow a single state
per node, and WasmGCOperatorReducer to allow multiple.
This fixes a performance regression caused by crrev.com/c/3717994.

Bug: chromium:1339826
Change-Id: Id52d643daad618f45c3d8509f2a661e177609a0c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3754941
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81772}