<!DOCTYPE html>
<html>
<script>
if (window.testRunner)
testRunner.dumpAsText();
</script>
<style>
span {
position: relative;
height:100px;
}
img {
position: absolute;
height: 50%;
</style>
<body>
<span>
<img />
</span>
PASS. WebKit didn't crash.
</body>
</html>