diff --git a/layout/reftests/bidi/1161752-1-embed.html b/layout/reftests/bidi/1161752-1-embed.html
new file mode 100644
index 00000000000..f8bae49cc41
--- /dev/null
+++ b/layout/reftests/bidi/1161752-1-embed.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html>
+ <head>
+  <meta charset="utf-8">
+  <title></title>
+
+  <style type="text/css">
+
+  html { direction: ltr; }
+
+  div
+    {
+      background-color: green;
+      border-left: green none 0px;
+      border-right: green none 0px;
+      height: 50px;
+      left: 20%;
+      margin-left: 0px;
+      margin-right: 0px;
+      position: absolute;
+      right: 20%;
+      top: 0px;
+      width: 20%;
+    }
+
+  </style>
+ </head>
+
+ <body>
+
+  <div></div>
+
+ </body>
+</html>
diff --git a/layout/reftests/bidi/1161752-2-embed.html b/layout/reftests/bidi/1161752-2-embed.html
new file mode 100644
index 00000000000..b6a24ce01db
--- /dev/null
+++ b/layout/reftests/bidi/1161752-2-embed.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html>
+ <head>
+  <meta charset="utf-8">
+  <title></title>
+
+  <style type="text/css">
+
+  html { direction: rtl; }
+
+  div
+    {
+      background-color: green;
+      border-left: green none 0px;
+      border-right: green none 0px;
+      height: 50px;
+      left: 20%;
+      margin-left: 0px;
+      margin-right: 0px;
+      position: absolute;
+      right: 20%;
+      top: 0px;
+      width: 20%;
+    }
+
+  </style>
+ </head>
+
+ <body>
+
+  <div></div>
+
+ </body>
+</html>
diff --git a/layout/reftests/bidi/1161752-3-embed.html b/layout/reftests/bidi/1161752-3-embed.html
new file mode 100644
index 00000000000..d18228fe026
--- /dev/null
+++ b/layout/reftests/bidi/1161752-3-embed.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html dir="ltr">
+ <head>
+  <meta charset="utf-8">
+  <title></title>
+
+  <style type="text/css">
+
+  div
+    {
+      background-color: green;
+      border-left: green none 0px;
+      border-right: green none 0px;
+      height: 50px;
+      left: 20%;
+      margin-left: 0px;
+      margin-right: 0px;
+      position: absolute;
+      right: 20%;
+      top: 0px;
+      width: 20%;
+    }
+
+  </style>
+ </head>
+
+ <body>
+
+  <div></div>
+
+ </body>
+</html>
diff --git a/layout/reftests/bidi/1161752-4-embed.html b/layout/reftests/bidi/1161752-4-embed.html
new file mode 100644
index 00000000000..78e0e27a1f3
--- /dev/null
+++ b/layout/reftests/bidi/1161752-4-embed.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html>
+ <head>
+  <meta charset="utf-8">
+  <title></title>
+
+  <style type="text/css">
+
+  html { direction: ltr; }
+
+ div
+    {
+      background-color: green;
+      border-left: green none 0px;
+      border-right: green none 0px;
+      height: 50px;
+      left: 20%;
+      margin-left: 0px;
+      margin-right: 0px;
+      position: fixed;
+      right: 20%;
+      top: 0px;
+      width: 20%;
+    }
+
+  </style>
+ </head>
+
+ <body>
+
+  <div></div>
+
+ </body>
+</html>
diff --git a/layout/reftests/bidi/1161752-5-embed-ref.html b/layout/reftests/bidi/1161752-5-embed-ref.html
new file mode 100644
index 00000000000..138bc0327aa
--- /dev/null
+++ b/layout/reftests/bidi/1161752-5-embed-ref.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html class="reftest-print">
+ <head>
+  <title>Testcase for bug 1161752</title>
+<style>
+  body,html { margin:0; padding:0; }
+  div
+    {
+      height: 56px;
+      width: 100px;
+      vertical-align: top;
+      margin-bottom: 50px;
+      margin-right: 100px;
+      margin-left: auto;
+    }
+  div div
+    {
+      height: 50px;
+      width: 100px;
+      background-color: green;
+    }
+
+</style>
+ </head>
+ <body>
+
+  <div><div></div></div>
+
+ </body>
+</html>
diff --git a/layout/reftests/bidi/1161752-5-embed.html b/layout/reftests/bidi/1161752-5-embed.html
new file mode 100644
index 00000000000..4dffa00682a
--- /dev/null
+++ b/layout/reftests/bidi/1161752-5-embed.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html class="reftest-print">
+ <head>
+  <meta charset="utf-8">
+  <title></title>
+
+  <style type="text/css">
+
+  html { direction: rtl; }
+
+ div
+    {
+      background-color: green;
+      border-left: green none 0px;
+      border-right: green none 0px;
+      height: 50px;
+      left: 100px;
+      margin-left: 0px;
+      margin-right: 0px;
+      position: fixed;
+      right: 100px;
+      top: 0px;
+      width: 100px;
+    }
+
+  </style>
+ </head>
+
+ <body>
+
+  <div></div>
+
+ </body>
+</html>
diff --git a/layout/reftests/bidi/1161752-ref.html b/layout/reftests/bidi/1161752-ref.html
new file mode 100644
index 00000000000..c6ffce33fbd
--- /dev/null
+++ b/layout/reftests/bidi/1161752-ref.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+ <head>
+  <title>Testcase for bug 1161752</title>
+<style>
+  div
+    {
+      height: 56px;
+      width: 100px;
+      vertical-align: top;
+      margin-bottom: 50px;
+    }
+  div div
+    {
+      height: 50px;
+      width: 100px;
+      background-color: green;
+      margin-left: 300px;
+    }
+
+</style>
+ </head>
+ <body>
+
+  <p>Test passes if there are three filled green rectangles and <strong>no red</strong>.</p>
+
+
+  <div><div></div></div>
+  <div><div></div></div>
+  <div><div></div></div>
+  <div><div></div></div>
+  <div><div></div></div>
+
+ </body>
+</html>
diff --git a/layout/reftests/bidi/1161752.html b/layout/reftests/bidi/1161752.html
new file mode 100644
index 00000000000..e3fa245f56f
--- /dev/null
+++ b/layout/reftests/bidi/1161752.html
@@ -0,0 +1,73 @@
+<!DOCTYPE html>
+<html>
+ <head>
+  <title>Testcase for bug 1161752</title>
+<style>
+  object.overlapping-green
+    {
+      height: 56px;
+      width: 500px;
+      vertical-align: top;
+    }
+
+  div.red-overlapped-reference
+    {
+      background-color: red;
+      bottom: 56px;
+      height: 50px;
+      left: 300px;
+      position: relative;
+      width: 100px;
+      z-index: -1;
+    }
+</style>
+<script>
+function runTest1() {
+  var root = document.querySelector('#test1').contentDocument.documentElement;
+  root.style.direction='rtl';
+  root.offsetHeight;
+}
+function runTest2() {
+  var root = document.querySelector('#test2').contentDocument.documentElement;
+  root.style.display='none';
+  root.offsetHeight;
+  root.style.display='block';
+  root.offsetHeight;
+}
+function runTest3() {
+  var doc = document.querySelector('#test3').contentDocument;
+  var root = doc.documentElement;
+  doc.removeChild(root);
+  var newRoot = root.cloneNode(true);
+  newRoot.setAttribute('dir','rtl');
+  doc.appendChild(newRoot);
+}
+function runTest4() {
+  var root = document.querySelector('#test4').contentDocument.documentElement;
+  root.style.direction='rtl';
+  root.offsetHeight;
+}
+</script>
+ </head>
+ <body>
+
+  <p>Test passes if there are three filled green rectangles and <strong>no red</strong>.</p>
+
+
+  <div><object id="test1" data="1161752-1-embed.html" type="text/html" class="overlapping-green" onload="runTest1()">This test requires a browser with capability to embed an HTML document thanks to the HTML &lt;object&gt; element.</object></div>
+  <div class="red-overlapped-reference"></div>
+
+  <div><object id="test2" data="1161752-2-embed.html" type="text/html" class="overlapping-green" onload="runTest2()">This test requires a browser with capability to embed an HTML document thanks to the HTML &lt;object&gt; element.</object></div>
+  <div class="red-overlapped-reference"></div>
+
+  <div><object id="test3" data="1161752-3-embed.html" type="text/html" class="overlapping-green" onload="runTest3()">This test requires a browser with capability to embed an HTML document thanks to the HTML &lt;object&gt; element.</object></div>
+  <div class="red-overlapped-reference"></div>
+
+  <div><object id="test4" data="1161752-4-embed.html" type="text/html" class="overlapping-green" onload="runTest4()">This test requires a browser with capability to embed an HTML document thanks to the HTML &lt;object&gt; element.</object></div>
+  <div class="red-overlapped-reference"></div>
+
+  <div><object id="test5" data="1161752-5-embed.html" type="text/html" class="overlapping-green">This test requires a browser with capability to embed an HTML document thanks to the HTML &lt;object&gt; element.</object></div>
+  <div class="red-overlapped-reference"></div>
+
+ </body>
+</html>
diff --git a/layout/reftests/bidi/reftest.list b/layout/reftests/bidi/reftest.list
index 7a0be8fa579..40a1c196491 100644
--- a/layout/reftests/bidi/reftest.list
+++ b/layout/reftests/bidi/reftest.list
@@ -152,3 +152,5 @@ skip-if((B2G&&browserIsRemote)||Mulet) == 869833-1.xul 869833-1-ref.xul # Initia
 == 1069941-inline-bidi-margin-1.html 1069941-inline-bidi-margin-1-ref.html
 skip-if(B2G||Mulet) != 1155359-1.xul 1155359-1-ref.xul
 == 1157726-1.html 1157726-1-ref.html
+== 1161752.html 1161752-ref.html
+== 1161752-5-embed.html 1161752-5-embed-ref.html
