1 files changed, 63 insertions, 0 deletions
diff --git a/layout/generic/crashtests/400190.html b/layout/generic/crashtests/400190.html
new file mode 100644
index 0000000000..46d3841085
--- /dev/null
+++ b/layout/generic/crashtests/400190.html
@@ -0,0 +1,63 @@
+<!DOCTYPE html>
+<html>
+<head>
+<style>
+
+body {
+  position: fixed;
+  font-family: monospace;
+  -moz-column-width: 10px;
+  border: 2px solid #aaa;
+}
+
+#padded {
+  padding-top: 40px;
+  padding-bottom: 40px;
+}
+
+#x {
+  position: absolute;
+  top: 0;
+  left: 0;
+  margin-top: 20px;
+  margin-bottom: 20px;
+}
+
+</style>
+</head>
+
+<body>
+
+<div id="padded"></div>
+
+<div id="x">
+
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+x
+
+</div>
+
+</body>
+</html>