1 files changed, 29 insertions, 0 deletions
diff --git a/layout/reftests/bugs/348809-2g.html b/layout/reftests/bugs/348809-2g.html
new file mode 100644
index 000000000..f372a1b81
--- /dev/null
+++ b/layout/reftests/bugs/348809-2g.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+<head>
+<style>
+span { color: green }
+:default + span { color: red }
+span.reverse { color: red }
+:default + span.reverse { color: green }
+input { display: none }
+</style>
+</head>
+<body>
+<form>
+<div>
+  <input type="checkbox" checked="checked" id="foo">
+  <span>There should be no red.</span>
+</div>
+<div>
+  <input checked="checked" id="bar">
+  <span class="reverse">There should be no red.</span>
+</div>
+</form>
+<script>
+  var foo = document.body.offsetWidth;
+  document.getElementById("foo").removeAttribute("type");
+  document.getElementById("bar").setAttribute("type", "checkbox");
+</script>
+</body>
+</html>