diff --git a/mozilla/layout/html/tests/block/bugs/45621.html b/mozilla/layout/html/tests/block/bugs/45621.html
new file mode 100644
index 00000000000..b21eeb54f46
--- /dev/null
+++ b/mozilla/layout/html/tests/block/bugs/45621.html
@@ -0,0 +1,37 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+<title>Untitled</title>
+</head>
+<body>
+<!--
+<pre>
+table width=50%
+  td nowrap 
+    input width=100% 
+</pre>
+<table border style="background: silver; width:50%;">
+ <tr>
+  <td border style="white-space: nowrap; background:#AABBFF;padding:8px;">
+      <input type="text" value=""  style="width:100%;"></input>
+  </td>
+ </tr>
+</table>
+
+<br>
+-->
+<pre>
+div width=50%, nowrap, border is outset/12px
+  input width=100% 
+  (must be as wide as its parent area inside the border)
+</pre>
+<div style="width:50%;
+            white-space:normal;
+            border:12px outset;">
+ <input type="text" value="" style="width:100%;"></input>
+</div>
+
+
+</body>
+</html>
+
diff --git a/mozilla/layout/html/tests/block/bugs/file_list.txt b/mozilla/layout/html/tests/block/bugs/file_list.txt
index b263de34edd..f9edb0bc66c 100644
--- a/mozilla/layout/html/tests/block/bugs/file_list.txt
+++ b/mozilla/layout/html/tests/block/bugs/file_list.txt
@@ -135,6 +135,7 @@ file:///s:/mozilla/layout/html/tests/block/bugs/44264-1.html
 file:///s:/mozilla/layout/html/tests/block/bugs/44264-2.html
 file:///s:/mozilla/layout/html/tests/block/bugs/44264-3.html
 file:///s:/mozilla/layout/html/tests/block/bugs/44709.html
+file:///s:/mozilla/layout/html/tests/block/bugs/45621.html
 file:///s:/mozilla/layout/html/tests/block/bugs/47456.html
 file:///s:/mozilla/layout/html/tests/block/bugs/47456_1.html
 file:///s:/mozilla/layout/html/tests/block/bugs/48057.html
