1 files changed, 31 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-contain/content-visibility/slot-content-visibility-12-crash.html b/testing/web-platform/tests/css/css-contain/content-visibility/slot-content-visibility-12-crash.html
new file mode 100644
index 0000000000..33e9d702a4
--- /dev/null
+++ b/testing/web-platform/tests/css/css-contain/content-visibility/slot-content-visibility-12-crash.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<link rel=author href="mailto:jarhar@chromium.org">
+<link rel=help href="https://bugs.chromium.org/p/chromium/issues/detail?id=1221036">
+
+<div>
+  <template shadowroot=open>
+    <slot style="content-visibility: hidden; display: block"></slot>
+  </template>
+  a
+</div>
+<iframe src="resources/slot-content-visibility.html"></iframe>
+<div>
+  <template shadowroot=open>
+    <slot style="content-visibility: hidden; display: block"></slot>
+  </template>
+  a
+</div>
+<iframe src="resources/slot-content-visibility.html"></iframe>
+<div>
+  <template shadowroot=open>
+    <slot style="content-visibility: hidden; display: block"></slot>
+  </template>
+  a
+</div>
+
+<script>
+  const range = new Range();
+  range.setStartBefore(document.body.firstChild);
+  range.setEndAfter(document.body.lastChild);
+  range.getBoundingClientRect();
+</script>