1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-failure-g-set-lastindex.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-failure-g-set-lastindex.js
new file mode 100644
index 0000000000..efdcc6c304
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-failure-g-set-lastindex.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Setting `lastIndex` to `0` after a match failure
+es6id: 21.2.5.6
+info: |
+    [...]
+    5. Let global be ToBoolean(Get(rx, "global")).
+    6. ReturnIfAbrupt(global).
+    7. If global is false, then
+       a. Return RegExpExec(rx, S).
+
+    21.2.5.2.1 Runtime Semantics: RegExpExec ( R, S )
+
+    [...]
+    7. Return RegExpBuiltinExec(R, S).
+
+    21.2.5.2.2 Runtime Semantics: RegExpBuiltinExec ( R, S )
+
+    [...]
+    3. Let length be the number of code units in S.
+    [...]
+    11. Let matchSucceeded be false.
+    12. Repeat, while matchSucceeded is false
+        a. If lastIndex > length, then
+           i. If global is true or sticky is true, then
+              1. Perform ? Set(R, "lastIndex", 0, true).
+           ii. Return null.
+features: [Symbol.match]
+---*/
+
+var r = /a/g;
+r.lastIndex = 3;
+
+r[Symbol.match]('b');
+
+assert.sameValue(r.lastIndex, 0);
+
+reportCompare(0, 0);