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Bug Description

Using the vertical_whitespace_between_cases rule, it seems to get confused when wrapping cases in an #if check.

enum Limited {
  case a
  #if DEBUG
  case b
  #endif
}

let l = Limited.a

switch l {
  case .a: print("a")

  #if DEBUG
  case .b: print("b") // Vertical Whitespace Between Cases Violation: Include a single empty line between switch cases (vertical_whitespace_between_cases)
  #endif
}

Additionally, trying to disable the diagnostic with swiftlint:disable:this produces a "Superfluous Disable Command Violation" warning.

Environment

• SwiftLint: 0.62.2
• Xcode: Xcode 26.1 Build version 17B54
• Installation method: CocoaPods