1 files changed, 27 insertions, 0 deletions
diff --git a/layout/base/crashtests/394150-1.xhtml b/layout/base/crashtests/394150-1.xhtml
new file mode 100644
index 000000000..b2349c9f8
--- /dev/null
+++ b/layout/base/crashtests/394150-1.xhtml
@@ -0,0 +1,27 @@
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:math="http://www.w3.org/1998/Math/MathML">
+<head>
+<script>
+
+function boom()
+{
+  var ms = document.createElementNS("http://www.w3.org/1998/Math/MathML", "ms");
+  var textNode = document.getElementById("emptyset").firstChild;
+  var mrow = document.getElementById("mrow");
+
+  ms.appendChild(textNode); // *move* the text node from one place to another!
+  mrow.appendChild(ms);
+}
+
+</script>
+</head>
+
+<body onload="boom();">
+
+<math xmlns="http://www.w3.org/1998/Math/MathML">
+<merror><emptyset id="emptyset">
+  <mrow id="mrow"></mrow></emptyset></merror>
+</math>
+  
+</body>
+  
+</html>