Upgrade V8 to 5.1.281.57  DO NOT MERGE

FPIIM-449

Change-Id: Id981b686b4d587ac31697662eb98bb34be42ad90
(cherry picked from commit 3b9bc31999c9787eb726ecdbfd5796bfdec32a18)
diff --git a/test/mjsunit/harmony/regexp-property-scripts.js b/test/mjsunit/harmony/regexp-property-scripts.js
new file mode 100644
index 0000000..19b50ee
--- /dev/null
+++ b/test/mjsunit/harmony/regexp-property-scripts.js
@@ -0,0 +1,39 @@
+// 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-regexp-property --harmony-unicode-regexps
+
+function t(re, s) { assertTrue(re.test(s)); }
+function f(re, s) { assertFalse(re.test(s)); }
+
+t(/\p{Common}+/u, ".");
+f(/\p{Common}+/u, "supercalifragilisticexpialidocious");
+
+t(/\p{Han}+/u, "话说天下大势,分久必合,合久必分");
+t(/\p{Hani}+/u, "吾庄后有一桃园,花开正盛");
+f(/\p{Han}+/u, "おはようございます");
+f(/\p{Hani}+/u, "Something is rotten in the state of Denmark");
+
+t(/\p{Latin}+/u, "Wie froh bin ich, daß ich weg bin!");
+t(/\p{Latn}+/u,
+  "It was a bright day in April, and the clocks were striking thirteen");
+f(/\p{Latin}+/u, "奔腾千里荡尘埃,渡水登山紫雾开");
+f(/\p{Latn}+/u, "いただきます");
+
+t(/\p{Hiragana}/u, "いただきます");
+t(/\p{Hira}/u, "ありがとうございました");
+f(/\p{Hiragana}/u,
+  "Als Gregor Samsa eines Morgens aus unruhigen Träumen erwachte");
+f(/\p{Hira}/u, "Call me Ishmael");
+
+t(/\p{Phoenician}/u, "\u{10900}\u{1091a}");
+t(/\p{Phnx}/u, "\u{1091f}\u{10916}");
+f(/\p{Phoenician}/u, "Arthur est un perroquet");
+f(/\p{Phnx}/u, "设心狠毒非良士,操卓原来一路人");
+
+t(/\p{Grek}/u, "ἄνδρα μοι ἔννεπε, μοῦσα, πολύτροπον, ὃς μάλα πολλὰ");
+t(/\p{Greek}/u, "μῆνιν ἄειδε θεὰ Πηληϊάδεω Ἀχιλῆος");
+f(/\p{Greek}/u, "高贤未服英雄志,屈节偏生杰士疑");
+f(/\p{Greek}/u,
+  "Mr. Jones, of the Manor Farm, had locked the hen-houses for the night");