[regexp] implement latest spec draft for property class.

test/mjsunit/harmony/regexp-property-invalid.js

+// 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
+
+assertThrows("/\p{Block=ASCII}+/u");
+assertThrows("/\p{Block=ASCII}+/u");
+assertThrows("/\p{Block=Basic_Latin}+/u");
+assertThrows("/\p{Block=Basic_Latin}+/u");
+
+assertThrows("/\p{blk=CJK}+/u");
+assertThrows("/\p{blk=CJK_Unified_Ideographs}+/u");
+assertThrows("/\p{blk=CJK}+/u");
+assertThrows("/\p{blk=CJK_Unified_Ideographs}+/u");
+
+assertThrows("/\p{Block=ASCII}+/u");
+assertThrows("/\p{Block=ASCII}+/u");
+assertThrows("/\p{Block=Basic_Latin}+/u");
+assertThrows("/\p{Block=Basic_Latin}+/u");
+
+assertThrows("/\p{NFKD_Quick_Check=Y}+/u");
+assertThrows("/\p{NFKD_QC=Yes}+/u");
+
+assertThrows("/\p{Numeric_Type=Decimal}+/u");
+assertThrows("/\p{nt=De}+/u");
+
+assertThrows("/\p{Bidi_Class=Arabic_Letter}+/u");
+assertThrows("/\p{Bidi_Class=AN}+/u");
+
+assertThrows("/\p{ccc=OV}+/u");
+
+assertThrows("/\p{Sentence_Break=Format}+/u");
+
+assertThrows("/\\p{In}/u");
+assertThrows("/\\pI/u");
+assertThrows("/\\p{I}/u");
+assertThrows("/\\p{CJK}/u");