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<!doctype HTML>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
div {
width: 100px;
height: 100px;
}
</style>
<div id="observeme"></div>
<script>
setup({allow_uncaught_exception: true});
async_test(a => {
let t = document.querySelector("#observeme");
let i = 0;
window.onerror = function (err) {
t.style.height = "112px";
i++;
requestAnimationFrame(a.step_func_done(() => {
assert_equals(i, 1);
}), 0);
};
new ResizeObserver(function() {
t.style.height = "111px";
}).observe(observeme);
observeme.style.height = "110px";
}, "Changing layout in window error handler should not result in lifecyle loop when resize observer loop limit is reached.");
</script>
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