Revert "Revert "Upgrade to 5.0.71.48"" DO NOT MERGE
This reverts commit f2e3994fa5148cc3d9946666f0b0596290192b0e,
and updates the x64 makefile properly so it doesn't break that
build.
FPIIM-449
Change-Id: Ib83e35bfbae6af627451c926a9650ec57c045605
(cherry picked from commit 109988c7ccb6f3fd1a58574fa3dfb88beaef6632)
diff --git a/test/mjsunit/harmony/unicode-regexp-last-index.js b/test/mjsunit/harmony/unicode-regexp-last-index.js
new file mode 100644
index 0000000..4a075d4
--- /dev/null
+++ b/test/mjsunit/harmony/unicode-regexp-last-index.js
@@ -0,0 +1,104 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --harmony-unicode-regexps --harmony-regexp-lookbehind
+
+var r = /./ug;
+assertEquals(["\ud800\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(2, r.lastIndex);
+r.lastIndex = 1;
+assertEquals(["\ud800\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(2, r.lastIndex);
+assertEquals(["\ud801\udc01"], r.exec("\ud800\udc00\ud801\udc01"));
+r.lastIndex = 3;
+assertEquals(["\ud801\udc01"], r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(4, r.lastIndex);
+r.lastIndex = 4;
+assertNull(r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(0, r.lastIndex);
+r.lastIndex = 5;
+assertNull(r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(0, r.lastIndex);
+
+r.lastIndex = 3;
+assertEquals(["\ud802"], r.exec("\ud800\udc00\ud801\ud802"));
+r.lastIndex = 4;
+assertNull(r.exec("\ud800\udc00\ud801\ud802"));
+
+r = /./g;
+assertEquals(["\ud800"], r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(1, r.lastIndex);
+assertEquals(["\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(2, r.lastIndex);
+assertEquals(["\ud801"], r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(3, r.lastIndex);
+assertEquals(["\udc01"], r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(4, r.lastIndex);
+assertNull(r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(0, r.lastIndex);
+r.lastIndex = 1;
+assertEquals(["\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(2, r.lastIndex);
+
+// ------------------------
+
+r = /^./ug;
+assertEquals(["\ud800\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(2, r.lastIndex);
+r.lastIndex = 1;
+assertEquals(["\ud800\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(2, r.lastIndex);
+assertNull(r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(0, r.lastIndex);
+r.lastIndex = 3;
+assertNull(r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(0, r.lastIndex);
+r.lastIndex = 4;
+assertNull(r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(0, r.lastIndex);
+r.lastIndex = 5;
+assertNull(r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(0, r.lastIndex);
+
+r = /^./g;
+assertEquals(["\ud800"], r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(1, r.lastIndex);
+assertNull(r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(0, r.lastIndex);
+r.lastIndex = 3;
+assertNull(r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(0, r.lastIndex);
+
+//------------------------
+
+r = /(?:(^.)|.)/ug;
+assertEquals(["\ud800\udc00", "\ud800\udc00"],
+ r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(2, r.lastIndex);
+r.lastIndex = 1;
+assertEquals(["\ud800\udc00", "\ud800\udc00"],
+ r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(2, r.lastIndex);
+assertEquals(["\ud801\udc01", undefined], r.exec("\ud800\udc00\ud801\udc01"));
+r.lastIndex = 3;
+assertEquals(["\ud801\udc01", undefined], r.exec("\ud800\udc00\ud801\udc01"));
+r.lastIndex = 4;
+assertNull(r.exec("\ud800\udc00\ud801\udc01"));
+r.lastIndex = 5;
+assertNull(r.exec("\ud800\udc00\ud801\udc01"));
+
+r.lastIndex = 3;
+assertEquals(["\ud802", undefined], r.exec("\ud800\udc00\ud801\ud802"));
+r.lastIndex = 4;
+assertNull(r.exec("\ud800\udc00\ud801\ud802"));
+
+r = /(?:(^.)|.)/g;
+assertEquals(["\ud800", "\ud800"],
+ r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(1, r.lastIndex);
+assertEquals(["\udc00", undefined], r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(2, r.lastIndex);
+r.lastIndex = 3;
+assertEquals(["\udc01", undefined], r.exec("\ud800\udc00\ud801\udc01"));
+assertEquals(4, r.lastIndex);