gecko-dev/layout/base/crashtests/1299736-1.html
L. David Baron 2dcd8fe04b Bug 1299736 - Remove unsafe optimizations from FrameHasPositionedPlaceholderDescendants. r=bzbarsky
MozReview-Commit-ID: 4DYtXqNYfPq

--HG--
extra : transplant_source : %3B%95P%1E%047%89%BA%99%D2%1D%B1%00%A1%EF%81%D5%DE%7F%8A
2016-10-04 11:39:36 -07:00

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HTML

<!DOCTYPE HTML>
<title>Testcase, bug 1299736</title>
<div id="A" style="transform: translateX(50px)">
<div id="B">
<div id="C" style="position: fixed">
</div>
</div>
</div>
<script>
document.getElementById("C").offsetLeft; // flush
document.getElementById("B").style.transform = "translateX(50px)";
document.getElementById("A").style.transform = "";
</script>