1 files changed, 27 insertions, 0 deletions
diff --git a/layout/generic/crashtests/854263-1.html b/layout/generic/crashtests/854263-1.html
new file mode 100644
index 000000000..f7048c31b
--- /dev/null
+++ b/layout/generic/crashtests/854263-1.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+  <style>
+    .flexContainer {
+      display: flex;
+
+      width: 300px;
+      height: 300px;
+      background: yellow;
+    }
+    .flexItem {
+      border: 1px dashed purple;
+    }
+  </style>
+  <script>
+    function finish() {
+      document.documentElement.removeAttribute('class');
+    }
+  </script>
+</head>
+<body onload="setTimeout(finish, 0)">
+  <div class="flexContainer">
+    <embed src="about:blank" class="flexItem"></embed>
+  </div>
+</body>
+</html>