1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/built-ins/RegExp/prototype/compile/pattern-string.js b/js/src/tests/test262/annexB/built-ins/RegExp/prototype/compile/pattern-string.js
new file mode 100644
index 0000000000..57c9a82e41
--- /dev/null
+++ b/js/src/tests/test262/annexB/built-ins/RegExp/prototype/compile/pattern-string.js
@@ -0,0 +1,44 @@
+// 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: >
+    Behavior when pattern is a string describing a valid pattern (non-unicode)
+info: |
+    [...]
+    5. Return ? RegExpInitialize(O, P, F).
+
+    21.2.3.2.2 Runtime Semantics: RegExpInitialize
+
+    6. If F contains "u", let BMP be false; else let BMP be true.
+    7. If BMP is true, then
+       [...]
+    8. Else,
+       a. Parse P using the grammars in 21.2.1 and interpreting P as UTF-16
+          encoded Unicode code points (6.1.4). The goal symbol for the parse is
+          Pattern[U]. Throw a SyntaxError exception if P did not conform to the
+          grammar, if any elements of P were not matched by the parse, or if
+          any Early Error conditions exist.
+       b. Let patternCharacters be a List whose elements are the code points
+          resulting from applying UTF-16 decoding to P's sequence of elements.
+    [...]
+---*/
+
+var subject = /original value/ig;
+
+subject.compile('new value');
+
+assert.sameValue(
+  subject.source,
+  new RegExp('new value').source,
+  '[[OriginalSource]] internal slot'
+);
+assert.sameValue(
+  subject.test('original value'), false, '[[RegExpMatcher]] internal slot'
+);
+assert.sameValue(
+  subject.test('new value'), true, '[[RegExpMatcher]] internal slot'
+);
+
+reportCompare(0, 0);