diff --git a/layout/generic/crashtests/359371-1.html b/layout/generic/crashtests/359371-1.html
new file mode 100644
index 000000000000..d9c59633d9d6
--- /dev/null
+++ b/layout/generic/crashtests/359371-1.html
@@ -0,0 +1,66 @@
+<!DOCTYPE html>
+<html>
+<head>
+<style type="text/css">
+
+body {
+  width: 500px;
+}
+
+p {
+	font-family: monospace;
+	font-size: 12px;
+}
+.columns {
+	-moz-column-count: 3;
+}
+
+.toppadded
+{
+	padding-top: 20px;
+}
+
+.floatbox {
+	float: left;
+	margin: 3px 10px 0 0;
+	padding: 8px 3px;
+	width: 55px;
+}
+
+</style>	
+</head>
+
+<body onload="document.getElementById('foo').appendChild(document.createTextNode('aaaaaaa'));">
+
+<div class="columns">
+
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		
+		<p id="foo">xxxxxx xxxxxx xxxxxx xxxxxx xxxxxx xxxxxx xxxxxx xxxxxx </p>
+
+    <div class="toppadded">
+      T
+      <p class="floatbox">W W W W W W</p>
+    </div>
+
+</div>
+
+</body>
+</html>
diff --git a/layout/generic/crashtests/359371-2.html b/layout/generic/crashtests/359371-2.html
new file mode 100644
index 000000000000..61e42aa7be5c
--- /dev/null
+++ b/layout/generic/crashtests/359371-2.html
@@ -0,0 +1,64 @@
+<!DOCTYPE html>
+<html>
+<head>
+<style type="text/css">
+
+body {
+  width: 500px;
+}
+
+p {
+	font-family: monospace;
+	font-size: 12px;
+}
+.columns {
+	-moz-column-count: 3;
+}
+
+.toppadded
+{
+	padding-top: 18px;
+}
+
+.floatbox {
+	float: left;
+	margin: 20px 0px 0 0;
+	width: 90px;
+}
+
+</style>	
+</head>
+
+<!-- <body onload="document.getElementById('foo').appendChild(document.createTextNode('aaaaaaa'));"> -->
+<div class="columns">
+
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		<p>C
+		
+		<p id="foo">xxxxxx xxxxxx xxxxxx xxxxxx xxxxxx xxxxxx xxxxxx xxxxxx </p>
+
+    <div class="toppadded">
+      T
+      <p class="floatbox">W W W W W W W W Waaaaaaa</p>
+    </div>
+
+</div>
+
+</body>
+</html>
diff --git a/layout/generic/crashtests/crashtests.list b/layout/generic/crashtests/crashtests.list
index 0b8de1ae2fc4..05dddb9f1158 100644
--- a/layout/generic/crashtests/crashtests.list
+++ b/layout/generic/crashtests/crashtests.list
@@ -4,6 +4,8 @@ load 334147-1.xhtml
 load 337412-1.html
 load 342322-1.html
 load 348991-1.xhtml
+load 359371-1.html
+load 359371-2.html
 load 366667-1.html
 load 366952-1.html
 load 368461-1.xhtml
