[regexp] stage unicode regexps.

test/test262/test262.status

 # Copyright 2011 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 251 matching lines @@
   'language/expressions/postfix-increment/S11.3.1_A5_T3': [FAIL],
   'language/expressions/postfix-increment/S11.3.1_A5_T4': [FAIL],
   'language/expressions/postfix-increment/S11.3.1_A5_T5': [FAIL],
   'language/expressions/postfix-decrement/S11.3.2_A5_*': [FAIL],
   'language/expressions/prefix-decrement/S11.4.5_A5_*': [FAIL],
   'language/expressions/prefix-increment/S11.4.4_A5_*': [FAIL],
 
   # https://code.google.com/p/v8/issues/detail?id=4253
   'language/asi/S7.9_A5.7_T1': [PASS, FAIL_OK],
 
-  # https://code.google.com/p/v8/issues/detail?id=2952
-  'built-ins/RegExp/prototype/exec/u-lastindex-adv': [FAIL],
-  'built-ins/RegExp/prototype/exec/u-captured-value': [FAIL],
-  'built-ins/RegExp/prototype/exec/u-lastindex-value': [FAIL],
-  'built-ins/RegExp/prototype/test/u-captured-value': [FAIL],
-  'built-ins/RegExp/prototype/test/u-lastindex-adv': [FAIL],
-  'built-ins/RegExp/prototype/test/u-lastindex-value': [FAIL],
-  'built-ins/RegExp/prototype/unicode/this-regexp': [FAIL],
-  'built-ins/RegExp/unicode_identity_escape': [FAIL],
-  'language/literals/regexp/u-unicode-esc': [FAIL],
-  'language/literals/regexp/u-surrogate-pairs': [FAIL],
-  'language/literals/regexp/u-case-mapping': [FAIL],
-  'language/literals/regexp/u-astral': [FAIL],
-  'built-ins/RegExp/valid-flags-y': [FAIL],
-  'built-ins/RegExp/prototype/unicode/length': [FAIL],
-  'built-ins/RegExp/prototype/unicode/name': [FAIL],
-  'built-ins/RegExp/prototype/unicode/prop-desc': [FAIL],
-  'built-ins/RegExp/prototype/unicode/this-invald-obj': [FAIL],
-  'built-ins/RegExp/prototype/unicode/this-non-obj': [FAIL],
-
    # https://code.google.com/p/v8/issues/detail?id=4602
   'built-ins/RegExp/prototype/exec/get-sticky-coerce': [FAIL],
   'built-ins/RegExp/prototype/exec/get-sticky-err': [FAIL],
   'built-ins/RegExp/prototype/test/get-sticky-err': [FAIL],
 
   # https://code.google.com/p/v8/issues/detail?id=4504
   'built-ins/RegExp/prototype/exec/y-fail-lastindex-no-write': [PASS, FAIL],
   'built-ins/RegExp/prototype/test/y-fail-lastindex-no-write': [PASS, FAIL],
 
   # https://code.google.com/p/v8/issues/detail?id=4305
   # SKIP rather than FAIL some tests, as they may check for an exception which
   # happens to be thrown for some other reason (e.g,
   # built-ins/RegExp/prototype/Symbol.match/builtin-failure-set-lastindex-err)
   'built-ins/RegExp/prototype/Symbol.match/*': [SKIP],
   'built-ins/String/prototype/endsWith/return-abrupt-from-searchstring-regexp-test': [FAIL],
   'built-ins/String/prototype/includes/return-abrupt-from-searchstring-regexp-test': [FAIL],
   'built-ins/String/prototype/startsWith/return-abrupt-from-searchstring-regexp-test': [FAIL],
   'built-ins/String/prototype/match/invoke-builtin-match': [FAIL],
 
   # https://code.google.com/p/v8/issues/detail?id=4343
   'built-ins/RegExp/prototype/Symbol.replace/*': [SKIP],
 
   # https://code.google.com/p/v8/issues/detail?id=4344
   'built-ins/RegExp/prototype/Symbol.search/*': [SKIP],
 
   # https://code.google.com/p/v8/issues/detail?id=4345
   'built-ins/RegExp/prototype/Symbol.split/*': [SKIP],
 
-  # https://code.google.com/p/v8/issues/detail?id=4346
-  'built-ins/RegExp/prototype/flags/u': [FAIL],
-
   # https://code.google.com/p/v8/issues/detail?id=4360
   'intl402/Collator/10.1.1_1': [FAIL],
   'intl402/DateTimeFormat/12.1.1_1': [FAIL],
   'intl402/NumberFormat/11.1.1_1': [FAIL],
 
   # https://code.google.com/p/v8/issues/detail?id=4361
   'intl402/Collator/10.1.1_a': [FAIL],
 
   # https://code.google.com/p/v8/issues/detail?id=4447
   'built-ins/Function/prototype/Symbol.hasInstance/*': [SKIP],
@@ skipping 371 matching lines @@
   'built-ins/decodeURIComponent/S15.1.3.2_A1.12_T2': [SKIP],
   'built-ins/decodeURIComponent/S15.1.3.2_A1.12_T3': [SKIP],
   'intl402/9.2.2': [SKIP],
   'language/statements/let/fn-name-arrow': [SKIP],
   'language/statements/let/fn-name-cover': [SKIP],
   'language/statements/let/fn-name-fn': [SKIP],
   'language/statements/let/fn-name-gen': [SKIP],
 }],  # ignition == True and (arch == arm or arch == arm64)
 
 ]