1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.replace/y-set-lastindex.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.replace/y-set-lastindex.js
new file mode 100644
index 0000000000..d97b19cbab
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+++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.replace/y-set-lastindex.js
@@ -0,0 +1,30 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Sets the `lastIndex` property to the end index of the first match
+es6id: 21.2.5.8
+info: |
+    21.2.5.8 RegExp.prototype [ @@replace ] ( string, replaceValue )
+
+    [...]
+    13. Repeat, while done is false
+        a. Let result be RegExpExec(rx, S).
+
+    21.2.5.2.2 Runtime Semantics: RegExpBuiltinExec ( R, S )
+
+    [...]
+    8. Let sticky be ToBoolean(Get(R, "sticky")).
+    [...]
+    18. If global is true or sticky is true,
+        a. Let setStatus be Set(R, "lastIndex", e, true).
+features: [Symbol.replace]
+---*/
+
+var r = /abc/y;
+
+r[Symbol.replace]('abc', 'x');
+
+assert.sameValue(r.lastIndex, 3);
+
+reportCompare(0, 0);