SpriteKit macOS 10.13 Windowserver Crash

SKCrashWindowserver.swift

        // The following code reliably crashes windowserver on macOS 10.13,
        // forcing logout of the current user.
        // Setup: Create a simple, default SKView() and present an
        // SKScene() and add it to a window on macOS
        
        let sprite = SKSpriteNode(imageNamed: "mySpriteImage")
        scene.addChild(sprite)
        
        let warpGridSize = 100
        func geometryGridPositions(byWarping: Bool) -> [float2] {
            var points = [float2]()
            for y in 0...warpGridSize {
                for x in 0...warpGridSize {
                    let shouldWarp = byWarping && x > 0 && y > 0 && x < warpGridSize && y < warpGridSize
                    let nx = Float(x) * (1.0 / Float(warpGridSize)) + (shouldWarp ? -50.0 : 0.0)
                    let ny = Float(y) * (1.0 / Float(warpGridSize)) + (shouldWarp ? -50.0 : 0.0)
                    points.append(float2(nx,ny))
                }
            }
            return points
        }
        let sourcePositions = geometryGridPositions(byWarping: false)
        let destinationPositions = geometryGridPositions(byWarping: true)
        let warpGeometryGrid = SKWarpGeometryGrid.init(columns: warpGridSize,
                                                       rows: warpGridSize,
                                                       sourcePositions: sourcePositions,
                                                       destinationPositions: destinationPositions)
        if let warpAction = SKAction.warp(to: warpGeometryGrid, duration: 1.0) {
            sprite.run(.sequence([warpAction]))
        }