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-rw-r--r--layout/style/crashtests/1449243.html13
1 files changed, 13 insertions, 0 deletions
diff --git a/layout/style/crashtests/1449243.html b/layout/style/crashtests/1449243.html
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+++ b/layout/style/crashtests/1449243.html
@@ -0,0 +1,13 @@
+<!doctype html>
+<div id="host"></div>
+<script>
+ host.attachShadow({ mode: 'open' }).innerHTML = `
+ <style>
+ div { color: green }
+ </style>
+ <div></div>
+ `;
+ document.body.offsetTop;
+ host.shadowRoot.styleSheets[0].insertRule("[foo] { color: green }", 0);
+ host.shadowRoot.querySelector("div").setAttribute("foo", "bar");
+</script>