1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/built-ins/RegExp/prototype/compile/pattern-regexp-distinct.js b/js/src/tests/test262/annexB/built-ins/RegExp/prototype/compile/pattern-regexp-distinct.js
new file mode 100644
index 0000000000..fed4f82364
--- /dev/null
+++ b/js/src/tests/test262/annexB/built-ins/RegExp/prototype/compile/pattern-regexp-distinct.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-regexp.prototype.compile
+es6id: B.2.5.1
+description: RegExp is re-initialized when invoked with a distinct instance
+info: |
+    [...]
+    3. If Type(pattern) is Object and pattern has a [[RegExpMatcher]] internal
+       slot, then
+       a. If flags is not undefined, throw a TypeError exception.
+       b. Let P be the value of pattern's [[OriginalSource]] internal slot.
+       c. Let F be the value of pattern's [[OriginalFlags]] internal slot.
+    4. Else,
+       [...]
+    5. Return ? RegExpInitialize(O, P, F).
+---*/
+
+var subject = /abc/gim;
+var pattern = /def/;
+var result;
+subject.lastIndex = 23;
+pattern.lastIndex = 45;
+
+result = subject.compile(pattern);
+
+assert.sameValue(result, subject, 'method return value');
+assert.sameValue(subject.lastIndex, 0);
+assert.sameValue(pattern.lastIndex, 45);
+
+assert.sameValue(subject.toString(), new RegExp('def').toString());
+assert.sameValue(
+  subject.test('def'), true, '[[RegExpMatcher]] internal slot (source)'
+);
+assert.sameValue(
+  subject.test('DEF'), false, '[[RegExpMatch]] internal slot (flags)'
+);
+
+reportCompare(0, 0);