[parser] Allow duplicate __proto__ keys in patterns

test/test262/test262.status

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@@ skipping 334 matching lines @@
   # https://bugs.chromium.org/p/v8/issues/detail?id=5070
   'annexB/built-ins/Object/prototype/__defineGetter__/define-non-configurable': [FAIL],
   'annexB/built-ins/Object/prototype/__defineGetter__/define-non-extensible': [FAIL],
   'annexB/built-ins/Object/prototype/__defineGetter__/this-non-obj': [FAIL],
   'annexB/built-ins/Object/prototype/__defineSetter__/define-non-configurable': [FAIL],
   'annexB/built-ins/Object/prototype/__defineSetter__/define-non-extensible': [FAIL],
   'annexB/built-ins/Object/prototype/__defineSetter__/this-non-obj': [FAIL],
   'annexB/built-ins/Object/prototype/__lookupGetter__/this-non-obj': [FAIL],
   'annexB/built-ins/Object/prototype/__lookupSetter__/this-non-obj': [FAIL],
 
-  # https://bugs.chromium.org/p/v8/issues/detail?id=5121
-  'language/expressions/assignment/destructuring/obj-prop-__proto__dup': [FAIL],

[adamk, 2016/08/18 20:35:22]

Please add a test-parsing.cc test as well to make sure we're covering both the
parser and preparser (this test will likely only exercise the parser).

[gsathya, 2016/08/19 20:11:18]

Added. Let me know if there if there are any that are redundant (or others that
I may have missed).

-
   # https://bugs.chromium.org/p/v8/issues/detail?id=4973
   'language/literals/numeric/non-octal-decimal-integer-strict': [FAIL],
 
   # https://bugs.chromium.org/p/v8/issues/detail?id=5130
   'annexB/built-ins/Object/prototype/__lookupGetter__/lookup-own-data': [FAIL],
   'annexB/built-ins/Object/prototype/__lookupGetter__/lookup-own-get-err': [FAIL],
   'annexB/built-ins/Object/prototype/__lookupGetter__/lookup-own-proto-err': [FAIL],
   'annexB/built-ins/Object/prototype/__lookupGetter__/lookup-proto-data': [FAIL],
   'annexB/built-ins/Object/prototype/__lookupGetter__/lookup-proto-get-err': [FAIL],
   'annexB/built-ins/Object/prototype/__lookupGetter__/lookup-proto-proto-err': [FAIL],
@@ skipping 210 matching lines @@
 }],  # asan == True
 
 ['asan == True or msan == True or tsan == True', {
   # https://bugs.chromium.org/p/v8/issues/detail?id=4639
   # The failed allocation causes an asan/msan/tsan error
   'built-ins/ArrayBuffer/allocation-limit': [SKIP],
   'built-ins/ArrayBuffer/length-is-too-large-throws': [SKIP],
 }],  # asan == True or msan == True or tsan == True
 
 ]