Revert "Unify and fix checkers for duplicate object literal properties."

test/preparser/preparser.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
 #       with the distribution.
 #     * Neither the name of Google Inc. nor the names of its
 #       contributors may be used to endorse or promote products derived
 #       from this software without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 [
 [ALWAYS, {
+  # TODO(mstarzinger): Uhm, this is kind of embarrassing, but our parser
+  # does not catch some syntax errors with duplicate properties in object
+  # literals that our preparser actually caught. I will fix this glitch in a
+  # follow-up change.
+  'duplicate-property/*': [SKIP],
+
   # TODO(mstarzinger): This script parses but throws a TypeError when run.
   'non-alphanum': [FAIL],
 
   # We don't parse RegExps at scanning time, so we can't fail on octal
   # escapes (we need to parse to distinguish octal escapes from valid
   # back-references).
   'strict-octal-regexp': [FAIL],
 }],  # ALWAYS
 
 ['arch == android_arm or arch == android_ia32', {
   # Remove this once the issue above is fixed. Android test runner does not
   # handle "FAIL" test expectation correctly.
   'strict-octal-regexp': [SKIP],
 }],  # 'arch == android_arm or arch == android_ia32'
 ]