diff --git a/layout/reftests/bugs/234964-1-ref.html b/layout/reftests/bugs/234964-1-ref.html
new file mode 100644
index 000000000000..08333055559f
--- /dev/null
+++ b/layout/reftests/bugs/234964-1-ref.html
@@ -0,0 +1,11 @@
+<html>
+<body>
+<form style="height:100%">
+<table height=100% bgcolor=yellow>
+<tr><td><br><br><br><br><br><br><br><br><br><br><br><br>
+<tr height=100%><td><textarea style="height:100%"></textarea>
+<tr><td>Bottom
+</table>
+</form>
+</body>
+</html>
diff --git a/layout/reftests/bugs/234964-1.html b/layout/reftests/bugs/234964-1.html
new file mode 100644
index 000000000000..445892af4f93
--- /dev/null
+++ b/layout/reftests/bugs/234964-1.html
@@ -0,0 +1,11 @@
+<html>
+<body onload="document.getElementById('test').innerHTML='<br><br><br><br><br><br><br><br><br><br><br><br>'">
+<form style="height:100%">
+<table height=100% bgcolor=yellow>
+<tr><td id="test">Click here
+<tr height=100%><td><textarea style="height:100%"></textarea>
+<tr><td>Bottom
+</table>
+</form>
+</body>
+</html>
diff --git a/layout/reftests/bugs/234964-2-ref.html b/layout/reftests/bugs/234964-2-ref.html
new file mode 100644
index 000000000000..d2b375a4f28d
--- /dev/null
+++ b/layout/reftests/bugs/234964-2-ref.html
@@ -0,0 +1,8 @@
+<html>
+  <body>
+    <table style="height:400px; background:yellow;">
+      <tr><td id="test"><br><br><br><br><br><br><br><br><br>
+      <tr height=100%><td><div style="height:100%; width:100px; background:blue;"></div>
+    </table>
+  </body>
+</html>
diff --git a/layout/reftests/bugs/234964-2.html b/layout/reftests/bugs/234964-2.html
new file mode 100644
index 000000000000..efb31d68526f
--- /dev/null
+++ b/layout/reftests/bugs/234964-2.html
@@ -0,0 +1,8 @@
+<html>
+  <body onload="document.getElementById('test').innerHTML='<br><br><br><br><br><br><br><br><br>'">
+    <table style="height:400px; background:yellow;">
+      <tr><td id="test">
+      <tr height=100%><td><div style="height:100%; width:100px; background:blue;"></div>
+    </table>
+  </body>
+</html>
diff --git a/layout/reftests/bugs/reftest.list b/layout/reftests/bugs/reftest.list
index 27984a95486c..4fd810d8474a 100644
--- a/layout/reftests/bugs/reftest.list
+++ b/layout/reftests/bugs/reftest.list
@@ -91,6 +91,8 @@ fails-if(MOZ_WIDGET_TOOLKIT=="cocoa") == 28811-2a.html 28811-2-ref.html # bug 38
 == 206516-1.html 206516-1-ref.html
 == 210876-1.html 210876-1-ref.html
 == 218473-1.html 218473-1-ref.html
+== 234964-1.html 234964-1-ref.html
+== 234964-2.html 234964-2-ref.html
 == 235593-1.html 235593-1-ref.html
 == 243266-1.html 243266-1-ref.html
 == 243302-1.html 243302-1-ref.html
