LayoutTests/fast/css/grid-span-calc-negative-crash.html

<script>
if (window.testRunner)
    testRunner.dumpAsText();
</script>
<style>
#c {
    display: grid;
}
#e {
    grid-column-start: span calc(-1);
}
</style>
<div id=c><div id=e>This test passes if it doesn't crash.</div></div>