Bug 298379 – [css-anchor-position-1] wrong clip testing with 'position-visibility: anchors-visible'

• Status: RESOLVED
• Resolution: FIXED
• Component: CSS

[Antti Koivisto]

<style>
.clip {
    overflow: hidden;
    border: 2px solid red;
}
.c {
    position: absolute;
    top: 50px;
    width: 100px;
    height: 100px;
    border: 2px solid green;
}
.anchor {
    anchor-name: --foo;
    background: blue;
}
.anchored {
    left: anchor(left);
    top: anchor(bottom);
    position: absolute;
    position-anchor: --foo;
    background: green;
}
</style>
<div class=clip><div class=c><div class=anchor>anchor</div></div></div>
<div class=anchored>anchored</div>

[Antti Koivisto]

rdar://159790886

[Antti Koivisto]

Pull request: https://github.com/WebKit/WebKit/pull/50295

[Antti Koivisto]

Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/54708