Example showing how a stack overflow can be triggered by rendering a SwiftUI struct, even if the struct was already safely created

SwiftUIBomb.swift

//
//  ContentView.swift
//  Shared
//
//  Created by Joseph Hinkle on 4/20/21.
//

import SwiftUI

public struct ContentView: View {
    let thisViewWillKillTheAppIfRendered = ContentView2()
    @State var showContentView2 = false
    public var body: some View {
        Text("ContentView \(String(describing: thisViewWillKillTheAppIfRendered))")
        Button("show ContentView2") {
            showContentView2 = true
        }
        if showContentView2 {
            thisViewWillKillTheAppIfRendered
        }
    }
}


public struct ContentView2: View {
    public var body: some View {
        VStack {
            Text("ContentView2")
            AnotherView()
        }
    }
}

public struct AnotherView: View {
    public var body: some View {
        VStack {
            Text("AnotherView")
            ContentView2()
        }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}