Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 9 insertions, 0 deletions

diff --git a/layout/style/crashtests/1616433.html b/layout/style/crashtests/1616433.html
new file mode 100644
index 0000000000..7d7049bec0
--- /dev/null
+++ b/layout/style/crashtests/1616433.html
@@ -0,0 +1,9 @@
+<script>
+    window.addEventListener('load', () => {
+      var a = document.createElementNS('http://www.w3.org/1999/xhtml', 'div')
+      var b = new CSSStyleSheet({'disabled': true})
+      var c = a.attachShadow({'mode': 'closed'})
+      c.adoptedStyleSheets = [new CSSStyleSheet(), b, b]
+      b.disabled = false
+    })
+</script>
\ No newline at end of file