Debug Failure. False expression: Token end is child end

[Andarist]

🔎 Search Terms

completions formatting class member snippets constructor

🕗 Version & Regression Information

• This is a crash

⏯ Playground Link

N/A

💻 Code

/// <reference path="fourslash.ts" />

// @strict: true

// @filename: KlassConstructor.ts

//// type GenericConstructor<T> = new (...args: any[]) => T;
//// export type KlassConstructor<Cls extends GenericConstructor<any>> =
////   GenericConstructor<InstanceType<Cls>> & { [k in keyof Cls]: Cls[k] };

// @filename: ElementNode.ts
//// import { KlassConstructor } from "./KlassConstructor";
////
//// export type NodeKey = string;
////
//// export class ElementNode {
////   ["constructor"]!: KlassConstructor<typeof ElementNode>;
////   constructor(key?: NodeKey) {}
//// }

// @filename: CollapsibleContainerNode.ts
//// import { ElementNode, NodeKey } from "./ElementNode";
////
//// export class CollapsibleContainerNode extends ElementNode {
////   __open: boolean;
////
////   constructor(open: boolean, key?: NodeKey) {
////     super(key);
////     this.__open = open;
////   }
////   /*1*/
//// }

format.setFormatOptions({
  insertSpaceAfterConstructor: false,
});

verify.completions({
    marker: "1",
    preferences: {
        includeCompletionsWithClassMemberSnippets: true,
        includeCompletionsWithInsertText: true,
    },
    // TODO: tweak this line after fixing the issue
    includes: ["constructor"]
});

🙁 Actual behavior

it crashes

🙂 Expected behavior

it shouldn't crash

Additional information about the issue

repro based on #58191 (comment)