Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/testing/web-platform/tests/css/cssom/stylesheet-dom-mutation-event-crash.html b/testing/web-platform/tests/css/cssom/stylesheet-dom-mutation-event-crash.html
new file mode 100644
index 0000000000..942660c7a5
--- /dev/null
+++ b/testing/web-platform/tests/css/cssom/stylesheet-dom-mutation-event-crash.html
@@ -0,0 +1,13 @@
+<script>
+function go() {
+  b.innerHTML = undefined
+}
+document.addEventListener("DOMContentLoaded", () => {
+  b.appendChild(document.createTextNode(""))
+  a.addEventListener("DOMNodeRemoved", go)
+  go();
+})
+</script>
+<div id="a">
+<style id="b">
+</style>