<!-- webkit-test-runner [ LayoutFormattingContextEnabled=true LayoutFormattingContextIntegrationEnabled=false ] -->
<style>
.container {
    width: 100px;
    height: 100px;
    background: red;
}
.inner {
    width: 100px;
    height: 500px;
    max-height: 100%;
    background: green;
}
</style>
<div class=container><span><div class=inner></div></span></div>