Simplest Reproduction

controllers.application\.js

import Controller from '@ember/controller';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
  count = 124479;
  error = null;
  constructor() {
    super(...arguments);
    
    const Arr1 = [];
    let Arr2 = [];
    
    for (let i = 0; i < this.count; i++) {
      Arr1.push({ i }); 
    }
    try {
      Arr2.push(...Arr1);
    } catch (e) {
      this.error = e;
    }
    Arr2 = Arr2.concat(Arr1);
  }
}

templates.application\.hbs

<h1>Welcome to {{this.appName}}</h1>
<br>
<h2>Error for array of size ({{this.count}}) is:</h2>
<strong>{{this.error.message}}</strong>
<pre><code>{{this.error.stack}}</code></pre>
<br>
{{outlet}}
<br>
<br>

twiddle\.json

{
  "version": "0.17.1",
  "EmberENV": {
    "FEATURES": {},
    "_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
    "_APPLICATION_TEMPLATE_WRAPPER": true,
    "_JQUERY_INTEGRATION": true
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.js",
    "ember": "3.18.1",
    "ember-template-compiler": "3.18.1",
    "ember-testing": "3.18.1"
  },
  "addons": {
    "@glimmer/component": "1.0.0"
  }
}