1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-success-g-set-lastindex.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-success-g-set-lastindex.js
new file mode 100644
index 0000000000..dc8548afdf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-success-g-set-lastindex.js
@@ -0,0 +1,41 @@
+// 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` after a "global" match success
+esid: sec-regexp.prototype-@@match
+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 )
+
+    [...]
+    5. Let flags be the value of R's [[OriginalFlags]] internal slot.
+    6. If flags contains "g", let global be true, else let global be false.
+    [...]
+    16. Let e be r's endIndex value.
+    [...]
+    18. If global is true or sticky is true,
+        a. Let setStatus be Set(R, "lastIndex", e, true).
+features: [Symbol.match]
+---*/
+
+// The conflicting values for the "global" flag are necessary to observe the
+// final modification of `lastIndex` in RegExpBuiltinExec
+var r = /b/g;
+Object.defineProperty(r, 'global', { value: false });
+
+r[Symbol.match]('abc');
+
+assert.sameValue(r.lastIndex, 2);
+
+reportCompare(0, 0);