<!DOCTYPE html>
<html>
<body>
<p>This tests mutating autocorrect and autocapitalize IDL attributes inside a connected callback.<br>
WebKit should not hit a release assertion.</p>
<div id="result">FAIL</div>
<script>

if (window.testRunner)
    testRunner.dumpAsText();

customElements.define('editor-element', class extends HTMLElement {
    connectedCallback() {
        this.autocorrect = true;
        this.autocapitalize = true;
        document.getElementById('result').textContent = 'PASS';
    }
})

</script>
<editor-element></editor-element>
</body>
</html>