<p dir="auto">Describe what you were doing when the bug occurred:</p>
<ol dir="auto">
<li>Profiling my react web page</li>
<li></li>
<li></li>
</ol>
<hr>
<h2 dir="auto">Please do not remove the text below this line</h2>
<p dir="auto">DevTools version: 4.1.2-5184346da</p>
<p dir="auto">Call stack: at Map.has ()<br>
at I (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:150140)<br>
at I (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:150791)<br>
at I (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:150791)<br>
at I (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:150791)<br>
at I (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:150791)<br>
at I (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:150791)<br>
at I (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:150791)<br>
at I (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:150791)<br>
at I (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:150791)</p>
<p dir="auto">Component stack: in dl<br>
in div<br>
in div<br>
in div<br>
in _o<br>
in Unknown<br>
in n<br>
in Unknown<br>
in div<br>
in div<br>
in zi<br>
in Ge<br>
in un<br>
in ba<br>
in Rc</p>
<p dir="auto">With 10,000 item nesting in <code class="notranslate">DeeplyNestedComponents</code> case:</p>
<p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://user-images.githubusercontent.com/810438/55670638-f3bec480-587e-11e9-850d-8a247aa42f7c.png"><img width="432" alt="Screen Shot 2019-04-06 at 15 16 02" src="https://user-images.githubusercontent.com/810438/55670638-f3bec480-587e-11e9-850d-8a247aa42f7c.png" style="max-width: 100%;"></a></p>
<p dir="auto">Not super realistic but we could fix this by avoiding recursion in the traversal.</p>
<hr>
<p dir="auto">Originally reported by <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/gaearon/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/gaearon">@gaearon</a> via <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="430038062" data-permission-text="Title is private" data-url="https://github.com/bvaughn/react-devtools-experimental/issues/76" data-hovercard-type="issue" data-hovercard-url="/bvaughn/react-devtools-experimental/issues/76/hovercard" href="https://github.com/bvaughn/react-devtools-experimental/issues/76">bvaughn/react-devtools-experimental#76</a></p>