1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-failure-y-set-lastindex-err.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-failure-y-set-lastindex-err.js
new file mode 100644
index 0000000000..5942f5a220
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-failure-y-set-lastindex-err.js
@@ -0,0 +1,44 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    Behavior when error thrown while setting `lastIndex` after a "sticky" 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 )
+
+    [...]
+    8. Let sticky be ToBoolean(Get(R, "sticky")).
+    [...]
+    14. Let matchSucceeded be false.
+    15. Repeat, while matchSucceeded is false
+        [...]
+        c. If r is failure, then
+           i. If sticky is true, then
+              1. Let setStatus be Set(R, "lastIndex", 0, true).
+              2. ReturnIfAbrupt(setStatus).
+features: [Symbol.match]
+---*/
+
+var r = /a/y;
+
+Object.defineProperty(r, 'lastIndex', { writable: false });
+
+assert.throws(TypeError, function() {
+  r[Symbol.match]('ba');
+});
+
+reportCompare(0, 0);