1 files changed, 31 insertions, 0 deletions
diff --git a/layout/style/crashtests/822766-1.html b/layout/style/crashtests/822766-1.html
new file mode 100644
index 000000000..77bb1e25a
--- /dev/null
+++ b/layout/style/crashtests/822766-1.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+<head>
+<style>
+
+@-moz-keyframes togreen {
+    100% {
+        color: green;
+    }
+}
+
+.a:after {
+    animation-name: togreen;
+    animation-duration: 10s;
+}
+
+</style>
+<script>
+
+function boom()
+{
+  document.documentElement.setAttribute("class", "a");
+  document.documentElement.offsetHeight;
+  document.documentElement.appendChild(document.createElement("span"));
+  document.documentElement.removeAttribute("class");
+}
+
+</script>
+</head>
+<body onload="boom();"></body>
+</html>