class RuboCop::Cop::Performance::CaseWhenSplat

def needs_reorder?(when_node)
  following_branches =
    when_node.parent.when_branches[(when_node.branch_index + 1)..-1]
  following_branches.any? do |when_branch|
    when_branch.conditions.any? do |condition|
      non_splat?(condition)
    end
  end
end