1 files changed, 23 insertions, 0 deletions
diff --git a/layout/reftests/margin-collapsing/block-auto-height-last-child-5.html b/layout/reftests/margin-collapsing/block-auto-height-last-child-5.html
new file mode 100644
index 0000000000..48d597ea49
--- /dev/null
+++ b/layout/reftests/margin-collapsing/block-auto-height-last-child-5.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<head>
+<style type="text/css">
+#last-child, #separator {
+ height: 20px;
+ background-color: green;
+}
+#parent {
+ margin-bottom: 20px;
+}
+#last-child {
+ margin-bottom: -10px;
+}
+</style>
+</head>
+<body>
+<div id="parent">
+ <div id="last-child"></div>
+</div>
+<div id="separator"></div>
+</body>
+</html>