LayoutTests/fast/dynamic/text-autospace-with-partial-layout-crash.html

<style>
head, style, script { 
  text-autospace: auto;
  display: initial;
}
:is(&, #n4:nth-of-type(n+1) :not(fieldset)) {
  display: grid;
}
</style>
<script>
if (window.testRunner)
  testRunner.dumpAsText();
let n19 = document.createElement('object');
n19.id = "n6";
</script>
PASS if no crash or ASSERT.