diff --git a/js/src/tests/ecma_5/RegExp/jstests.list b/js/src/tests/ecma_5/RegExp/jstests.list
index 60901873bbf1..d6b06e45a5e8 100644
--- a/js/src/tests/ecma_5/RegExp/jstests.list
+++ b/js/src/tests/ecma_5/RegExp/jstests.list
@@ -5,5 +5,6 @@ script 15.10.7.5-01.js
 script empty-lookahead.js
 script exec.js
 script exec-lastIndex-ToInteger.js
+script regress-576828.js
 skip-if(!xulRuntime.shell&&(Android||xulRuntime.OS=="WINNT")) script regress-617935.js
 script instance-property-storage-introspection.js
diff --git a/js/src/tests/ecma_5/RegExp/regress-576828.js b/js/src/tests/ecma_5/RegExp/regress-576828.js
new file mode 100644
index 000000000000..45e97dc3b1ed
--- /dev/null
+++ b/js/src/tests/ecma_5/RegExp/regress-576828.js
@@ -0,0 +1,8 @@
+var re = /(z\1){3}/;
+var str = 'zzz';
+var actual = re.exec(str);
+var expected = makeExpectedMatch(['zzz', 'z'], 0, str);
+checkRegExpMatch(actual, expected);
+
+if (typeof reportCompare == 'function')
+    reportCompare(true, true);
diff --git a/js/src/tests/ecma_5/RegExp/shell.js b/js/src/tests/ecma_5/RegExp/shell.js
index e69de29bb2d1..0ce9f087de91 100644
--- a/js/src/tests/ecma_5/RegExp/shell.js
+++ b/js/src/tests/ecma_5/RegExp/shell.js
@@ -0,0 +1,21 @@
+function makeExpectedMatch(arr, index, input) {
+    var expectedMatch = {
+        index: index,
+        input: input,
+        length: arr.length,
+    };
+
+    for (var i = 0; i < arr.length; ++i)
+        expectedMatch[i] = arr[i];
+
+    return expectedMatch;
+}
+
+function checkRegExpMatch(actual, expected) {
+    assertEq(actual.length, expected.length);
+    for (var i = 0; i < actual.length; ++i)
+        assertEq(actual[i], expected[i]);
+
+    assertEq(actual.index, expected.index);
+    assertEq(actual.input, expected.input);
+}