diff --git a/implementation-contributed/curation_logs/v8.json b/implementation-contributed/curation_logs/v8.json
index 4c117d554eade9a7c76827f6cc798b6b5ecda23d..fef22425f35c467cf0291335ff7c88954a07cfa9 100644
--- a/implementation-contributed/curation_logs/v8.json
+++ b/implementation-contributed/curation_logs/v8.json
@@ -1,5 +1,5 @@
 {
-  "sourceRevisionAtLastExport": "d34cbcd7",
-  "targetRevisionAtLastExport": "225cb28a69",
+  "sourceRevisionAtLastExport": "30729e82",
+  "targetRevisionAtLastExport": "39246db80e",
   "curatedFiles": {}
 }
\ No newline at end of file
diff --git a/implementation-contributed/v8/intl/segmenter/segment-word.js b/implementation-contributed/v8/intl/segmenter/segment-word.js
new file mode 100644
index 0000000000000000000000000000000000000000..4c74fbee3c92d89223186434c8c175a879ababe7
--- /dev/null
+++ b/implementation-contributed/v8/intl/segmenter/segment-word.js
@@ -0,0 +1,29 @@
+// Copyright 2018 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-intl-segmenter
+
+const seg = new Intl.Segmenter([], {granularity: "word"})
+for (const text of [
+    "Hello world!", // English
+    " Hello world! ",  // English with space before/after
+    " Hello world? Foo bar!", // English
+    "Jedovatou mambu objevila žena v zahrádkářské kolonii.", // Czech
+    "Việt Nam: Nhất thể hóa sẽ khác Trung Quốc?",  // Vietnamese
+    "Σοβαρές ενστάσεις Κομισιόν για τον προϋπολογισμό της Ιταλίας", // Greek
+    "Решение Индии о покупке российских С-400 расценили как вызов США",  // Russian
+    "הרופא שהציל נשים והנערה ששועבדה ע",  // Hebrew,
+    "ترامب للملك سلمان: أنا جاد للغاية.. عليك دفع المزيد", // Arabic
+    "भारत की एस 400 मिसाइल के मुकाबले पाक की थाड, जानें कौन कितना ताकतवर",  //  Hindi
+    "ரெட் அலர்ட் எச்சரிக்கை; புதுச்சேரியில் நாளை அரசு விடுமுறை!", // Tamil
+    "'ఉత్తర్వులు అందే వరకు ఓటర్ల తుది జాబితాను వెబ్‌సైట్లో పెట్టవద్దు'", // Telugu
+    "台北》抹黑柯P失敗？朱學恒酸：姚文智氣pupu嗆大老闆", // Chinese
+    "วัดไทรตีระฆังเบาลงช่วงเข้าพรรษา เจ้าอาวาสเผยคนร้องเรียนรับผลกรรมแล้ว",  // Thai
+    "九州北部の一部が暴風域に入りました(日直予報士 2018年10月06日) - 日本気象協会 tenki.jp",  // Japanese
+    "법원 “다스 지분 처분권·수익권 모두 MB가 보유”", // Korean
+    ]) {
+  const iter = seg.segment(text);
+  assertTrue(["word", "none"].includes(iter.breakType), iter.breakType);
+  assertEquals(0, iter.position);
+}
diff --git a/implementation-contributed/v8/intl/segmenter/subclassing.js b/implementation-contributed/v8/intl/segmenter/subclassing.js
new file mode 100644
index 0000000000000000000000000000000000000000..2bea1e88ce8c277bce91cee831ebe4b58ed13f58
--- /dev/null
+++ b/implementation-contributed/v8/intl/segmenter/subclassing.js
@@ -0,0 +1,17 @@
+// Copyright 2018 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-intl-segmenter
+
+// Test subclassing of Segmenter
+class CustomSegmenter extends Intl.Segmenter {
+  constructor(locales, options) {
+    super(locales, options);
+    this.isCustom = true;
+  }
+}
+
+const seg = new CustomSegmenter("zh");
+assertEquals(true, seg.isCustom, "Custom property");
+assertEquals(Object.getPrototypeOf(seg), CustomSegmenter.prototype, "Prototype");
diff --git a/implementation-contributed/v8/mjsunit/array-join-element-tostring-prototype-side-effects.js b/implementation-contributed/v8/mjsunit/array-join-element-tostring-prototype-side-effects.js
new file mode 100644
index 0000000000000000000000000000000000000000..a5ddebb9b9491dc8e20493dd82db870c98b546f8
--- /dev/null
+++ b/implementation-contributed/v8/mjsunit/array-join-element-tostring-prototype-side-effects.js
@@ -0,0 +1,14 @@
+// Copyright 2018 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.
+
+(function ArrayPrototypeChanged() {
+  const el = {
+    toString() {
+      Array.prototype[1] = '2';
+      return '1';
+    }
+  };
+  const a = [el, ,3];
+  assertSame("123", a.join(''));
+})();
diff --git a/implementation-contributed/v8/mjsunit/array-join-element-tostring-side-effects.js b/implementation-contributed/v8/mjsunit/array-join-element-tostring-side-effects.js
new file mode 100644
index 0000000000000000000000000000000000000000..1da72a7970e8efe3f4464f22e9627caf88ab2feb
--- /dev/null
+++ b/implementation-contributed/v8/mjsunit/array-join-element-tostring-side-effects.js
@@ -0,0 +1,152 @@
+// Copyright 2018 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: --allow-natives-syntax
+
+const MIN_DICTIONARY_INDEX = 8192;
+
+function ArrayTests() {
+  (function ToStringThrows() {
+    function TestError() {}
+
+    let callCount = 0;
+    const toStringThrows = {
+      toString() {
+        callCount++;
+        throw new TestError;
+      }
+    };
+    const a = [toStringThrows];
+    assertThrows(() => a.join(), TestError);
+    assertSame(1, callCount);
+
+    // Verifies cycle detection still works properly after thrown error.
+    a[0] = 1;
+    a[1] = 2;
+    assertSame('1,2', a.join());
+  })();
+
+  (function ArrayLengthIncreased() {
+    let callCount = 0;
+    const a = [
+      {
+        toString() {
+          callCount++;
+          a.push(2);
+          return '1';
+        }
+      }
+    ];
+    assertSame('1', a.join());
+    assertSame(1, callCount);
+    assertSame('1,2', a.join());
+  })();
+
+  (function ArrayLengthDecreased() {
+    let callCount = 0;
+    const a = [
+      {
+        toString() {
+          callCount++;
+          a.pop();
+          return '1';
+        }
+      },
+      '2'
+    ];
+    assertSame('1,', a.join());
+    assertSame(1, callCount);
+    assertSame('1', a.join());
+  })();
+
+  (function ElementsKindChangedToHoley() {
+    let callCount = 0;
+    const a = [
+      {
+        toString() {
+          callCount++;
+          a.length = 4;
+          a[1] = 777;
+          a[2] = 7.7;
+          return '1';
+        }
+      },
+      2,
+      3
+    ];
+    assertSame('1,777,7.7', a.join());
+    assertSame(1, callCount);
+    assertSame('1,777,7.7,', a.join());
+  })();
+
+  (function ElementsKindChangedToHoleyThroughDeletion() {
+    let callCount = 0;
+    const a = [
+      {
+        toString() {
+          callCount++;
+          delete a[1];
+          a[2] = 7.7;
+          return '1';
+        }
+      },
+      2,
+      3
+    ];
+    assertSame('1,,7.7', a.join());
+    assertSame(1, callCount);
+    assertSame('1,,7.7', a.join());
+  })();
+
+  (function NumberDictionaryChanged() {
+    let callCount = 0;
+    const a = [];
+    a[MIN_DICTIONARY_INDEX - 1] = {
+      toString() {
+        callCount++;
+        a[MIN_DICTIONARY_INDEX] = '2';
+        return '1';
+      }
+    };
+    a[MIN_DICTIONARY_INDEX] = 'NOPE';
+    assertTrue(%HasDictionaryElements(a));
+    assertSame('12', a.join(''));
+    assertSame(1, callCount);
+    assertSame('12', a.join(''));
+  })();
+
+  (function NumberDictionaryLengthChange() {
+    let callCount = 0;
+    const a = [];
+    a[MIN_DICTIONARY_INDEX - 1] = {
+      toString() {
+        callCount++;
+        a.length = MIN_DICTIONARY_INDEX;
+        return '1';
+      }
+    };
+    a[MIN_DICTIONARY_INDEX] = '2';
+    assertTrue(%HasDictionaryElements(a));
+    assertSame('1', a.join(''));
+    assertSame(1, callCount);
+    assertSame('1', a.join(''));
+  })();
+}
+
+(function NonArrayCycleDetection() {
+  const a = {
+    length: 3,
+    toString() { return Array.prototype.join.call(this); }
+  };
+  a[0] = '1';
+  a[1] = a;
+  a[2] = '3';
+  assertSame("1,,3", Array.prototype.join.call(a));
+});
+
+ArrayTests();
+
+%SetForceSlowPath(true);
+
+ArrayTests();
diff --git a/implementation-contributed/v8/mjsunit/array-join-index-getter-side-effects.js b/implementation-contributed/v8/mjsunit/array-join-index-getter-side-effects.js
new file mode 100644
index 0000000000000000000000000000000000000000..12fe5786c750ae8acdac8c4affa990a3dee3d683
--- /dev/null
+++ b/implementation-contributed/v8/mjsunit/array-join-index-getter-side-effects.js
@@ -0,0 +1,87 @@
+// Copyright 2018 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: --allow-natives-syntax
+
+(function Throws() {
+  function TestError() {}
+
+  let callCount = 0;
+  const a = [0, 1];
+  Object.defineProperty(a, '0', {
+    configurable: true,
+    get() {
+      callCount++;
+      throw new TestError();
+    }
+  });
+  assertTrue(%HasDictionaryElements(a));
+  assertThrows(() => a.join(), TestError);
+  assertSame(1, callCount);
+
+  // Verifies cycle detection still works properly after thrown error.
+  Object.defineProperty(a, '0', {
+    configurable: true,
+    get() {
+      callCount++;
+      return 777;
+    }
+  });
+  assertSame('777,1', a.join());
+  assertSame(2, callCount);
+})();
+
+(function ArrayLengthIncreased() {
+  let callCount = 0;
+  const a = [1];
+  Object.defineProperty(a, '0', {
+    configurable: true,
+    get() {
+      callCount++;
+      a.push(2);
+      return 9;
+    }
+  });
+  assertSame('9', a.join());
+  assertSame(1, callCount);
+
+  // Verifies cycle detection still works properly after continuation.
+  assertSame('9,2', a.join());
+})();
+
+(function ArrayLengthDecreased() {
+  let callCount = 0;
+  const a = [0, 1];
+  Object.defineProperty(a, '0', {
+    configurable: true,
+    get() {
+      callCount++;
+      a.length = 1;
+      return 9;
+    }
+  });
+  assertSame('9,', a.join());
+  assertSame(1, callCount);
+
+  // Verifies cycle detection still works properly after continuation.
+  assertSame('9', a.join());
+})();
+
+(function ElementsKindChangedToHoley() {
+  let callCount = 0;
+  const a = [0, 1];
+  Object.defineProperty(a, '0', {
+    configurable: true,
+    get() {
+      callCount++;
+      a.length = 3;
+      return 9;
+    }
+  });
+  assertSame('9,1', a.join());
+  assertSame(1, callCount);
+
+  // Verifies cycle detection still works properly after continuation.
+  assertSame('9,1,', a.join());
+})();
diff --git a/implementation-contributed/v8/mjsunit/array-join-nesting.js b/implementation-contributed/v8/mjsunit/array-join-nesting.js
new file mode 100644
index 0000000000000000000000000000000000000000..d1e75fb5123204a63c1ba3d4d1e22e628ef8c795
--- /dev/null
+++ b/implementation-contributed/v8/mjsunit/array-join-nesting.js
@@ -0,0 +1,16 @@
+// Copyright 2018 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.
+
+const DEPTH = 128;
+
+function makeNestedArray(depth, value) {
+  return depth > 0 ? [value, makeNestedArray(depth - 1, value)] : [value];
+}
+
+const array = makeNestedArray(DEPTH, 'a');
+const expected = 'a' + ',a'.repeat(DEPTH);
+assertSame(expected, array.join());
+
+// Verify cycle detection is still working.
+assertSame(expected, array.join());
diff --git a/implementation-contributed/v8/mjsunit/array-join-nonarray-length-getter-side-effects.js b/implementation-contributed/v8/mjsunit/array-join-nonarray-length-getter-side-effects.js
new file mode 100644
index 0000000000000000000000000000000000000000..3f8d2aa029c779911491eaaa46ea149af06d8479
--- /dev/null
+++ b/implementation-contributed/v8/mjsunit/array-join-nonarray-length-getter-side-effects.js
@@ -0,0 +1,29 @@
+// Copyright 2018 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.
+
+(function Throws() {
+  function TestError() {}
+
+  let callCount = 0;
+  const a = {
+    0: 1,
+    1: 2,
+    get length() {
+      callCount++;
+      throw new TestError();
+    }
+  };
+  assertThrows(() => Array.prototype.join.call(a), TestError);
+  assertSame(1, callCount);
+
+  // Verifies cycle detection still works properly after thrown error.
+  Object.defineProperty(a, 'length', {
+    get() {
+      callCount++;
+      return 2;
+    }
+  });
+  assertSame('1,2', Array.prototype.join.call(a));
+  assertSame(2, callCount);
+})();
diff --git a/implementation-contributed/v8/mjsunit/array-join-separator-tostring-side-effects.js b/implementation-contributed/v8/mjsunit/array-join-separator-tostring-side-effects.js
new file mode 100644
index 0000000000000000000000000000000000000000..d9e85152cab7a113655660de2c1a586a11ec8899
--- /dev/null
+++ b/implementation-contributed/v8/mjsunit/array-join-separator-tostring-side-effects.js
@@ -0,0 +1,197 @@
+// Copyright 2018 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: --allow-natives-syntax
+
+const MIN_DICTIONARY_INDEX = 8192;
+
+(function ToStringThrows() {
+  function TestError() {}
+
+  let callCount = 0;
+  const a = [1, 2];
+  assertThrows(() => a.join({
+    toString() {
+      callCount++;
+      throw new TestError;
+    }
+  }), TestError);
+  assertSame(1, callCount);
+
+  // Verifies cycle detection still works properly after thrown error.
+  assertSame('1,2', a.join());
+})();
+
+(function RecursiveJoinCall() {
+  const a = [1,2,3];
+  let callCount = 0;
+  const sep = {
+    toString() {
+      callCount++;
+      return a.join('-');
+    }
+  };
+  assertSame('11-2-321-2-33', a.join(sep));
+  assertSame(1, callCount);
+
+  // Verify cycle detection works properly after nested call
+  assertSame('1,2,3', a.join());
+})();
+
+
+(function ArrayLengthIncreased() {
+  const a = [1,2,3];
+  let callCount = 0;
+  assertSame('1,2,3', a.join({
+    toString() {
+      callCount++;
+      a.push(4);
+      return ',';
+    }
+  }));
+  assertSame(1, callCount);
+  assertSame('1,2,3,4', a.join());
+})();
+
+(function ArrayLengthDecreased() {
+  const a = [1,2,3];
+  let callCount = 0;
+  assertSame('1,2,', a.join({
+    toString() {
+      callCount++;
+      a.pop();
+      return ',';
+    }
+  }));
+  assertSame(1, callCount);
+  assertSame('1,2', a.join());
+})();
+
+(function ArrayEmptied() {
+  const a = [1,2,3];
+  let callCount = 0;
+  assertSame(',,', a.join({
+    toString() {
+      callCount++;
+      a.length = 0;
+      return ',';
+    }
+  }));
+  assertSame(1, callCount);
+})();
+
+(function NumberDictionaryEmptied() {
+  const a = [];
+  a[0] = 1;
+  a[MIN_DICTIONARY_INDEX] = 2;
+  assertTrue(%HasDictionaryElements(a));
+
+  let callCount = 0;
+  assertSame('-'.repeat(MIN_DICTIONARY_INDEX), a.join({
+    toString() {
+      callCount++;
+      a.length = 0;
+      return '-';
+    }
+  }));
+  assertSame(1, callCount);
+})();
+
+(function NumberDictionaryEmptiedEmptySeparator() {
+  const a = [];
+  a[0] = 1;
+  a[MIN_DICTIONARY_INDEX] = 2;
+  assertTrue(%HasDictionaryElements(a));
+
+  let callCount = 0;
+  assertSame(''.repeat(MIN_DICTIONARY_INDEX), a.join({
+    toString() {
+      callCount++;
+      a.length = 0;
+      return '';
+    }
+  }));
+  assertSame(1, callCount);
+})();
+
+(function ElementsKindSmiToDoubles() {
+  const a = [1,2,3];
+  let callCount = 0;
+  assertTrue(%HasSmiElements(a));
+  assertSame('1.5,2,3', a.join({
+    toString() {
+      callCount++;
+      a[0] = 1.5;
+      assertTrue(%HasDoubleElements(a));
+      return ',';
+    }
+  }));
+  assertSame(1, callCount);
+  assertSame('1.5,2,3', a.join());
+})();
+
+(function ElementsKindDoublesToObjects() {
+  const a = [1.5, 2.5, 3.5];
+  let callCount = 0;
+  assertTrue(%HasDoubleElements(a));
+  assertSame('one,2.5,3.5', a.join({
+    toString() {
+      callCount++;
+      a[0] = 'one';
+      assertTrue(%HasObjectElements(a));
+      return ',';
+    }
+  }));
+  assertSame(1, callCount);
+  assertSame('one,2.5,3.5', a.join());
+})();
+
+(function ArrayIsNoLongerFast() {
+  const a = [1,2,3];
+  let callCount = 0;
+  assertSame('666,2,3', a.join({
+    toString() {
+      callCount++;
+      Object.defineProperty(a, '0', {
+        get(){ return 666; }
+      });
+      return ',';
+    }
+  }));
+  assertSame(1, callCount);
+  assertSame('666,2,3', a.join());
+})();
+
+(function ArrayPrototypeUnset() {
+  const a = [1,2];
+  a.length = 3;
+  let callCount = 0;
+  assertSame('1,2,4', a.join({
+    toString() {
+      callCount++;
+      a.__proto__ = { '2': 4 };
+      return ',';
+    }
+  }));
+  assertSame(1, callCount);
+  a.__proto__ = Array.prototype;
+  assertSame('1,2,', a.join());
+})();
+
+(function ArrayPrototypeIsNoLongerFast() {
+  const a = [1,2,3];
+  let callCount = 0;
+  assertSame('1,2,777', a.join({
+    toString() {
+      callCount++;
+      a.pop();
+      Object.defineProperty(Array.prototype, '2', {
+        get(){ return 777; }
+      });
+      return ',';
+    }
+  }));
+  assertSame(1, callCount);
+  assertSame('1,2', a.join());
+})();
diff --git a/implementation-contributed/v8/mjsunit/array-tolocalestring.js b/implementation-contributed/v8/mjsunit/array-tolocalestring.js
new file mode 100644
index 0000000000000000000000000000000000000000..a5f856907af0c509162da90e4f02fefa11e1a7c2
--- /dev/null
+++ b/implementation-contributed/v8/mjsunit/array-tolocalestring.js
@@ -0,0 +1,72 @@
+// Copyright 2018 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.
+
+(function CycleDetection() {
+  const arr = [
+    {
+      toLocaleString() {
+        return [1, arr];
+      }
+    }
+  ];
+  assertSame('1,', arr.toLocaleString());
+  assertSame('1,', arr.toLocaleString());
+})();
+
+(function ThrowsError(){
+  function TestError() {}
+  const arr = [];
+  const obj = {
+    toLocaleString(){
+      throw new TestError();
+    }
+  };
+  arr[0] = obj;
+  assertThrows(() => arr.toLocaleString(), TestError);
+
+  // Verifies cycle detection still works properly after thrown error.
+  arr[0] = {
+    toLocaleString() {
+      return 1;
+    }
+  };
+  assertSame('1', arr.toLocaleString());
+})();
+
+(function AccessThrowsError(){
+  function TestError() {}
+  const arr = [];
+  const obj = {
+    get toLocaleString(){
+      throw new TestError();
+    }
+  };
+  arr[0] = obj;
+  assertThrows(() => arr.toLocaleString(), TestError);
+
+  // Verifies cycle detection still works properly after thrown error.
+  arr[0] = {
+    toLocaleString() {
+      return 1;
+    }
+  };
+  assertSame('1', arr.toLocaleString());
+})();
+
+(function NotCallable(){
+  const arr = [];
+  const obj = {
+    toLocaleString: 7
+  }
+  arr[0] = obj;
+  assertThrows(() => arr.toLocaleString(), TypeError, '7 is not a function');
+
+  // Verifies cycle detection still works properly after thrown error.
+  arr[0] = {
+    toLocaleString() {
+      return 1;
+    }
+  };
+  assertSame('1', arr.toLocaleString());
+})();
diff --git a/implementation-contributed/v8/mjsunit/compiler/regress-895799.js b/implementation-contributed/v8/mjsunit/compiler/regress-895799.js
new file mode 100644
index 0000000000000000000000000000000000000000..4305b7427b1ee3ad5e904ac9d19f18ba9e4e70ce
--- /dev/null
+++ b/implementation-contributed/v8/mjsunit/compiler/regress-895799.js
@@ -0,0 +1,26 @@
+// Copyright 2018 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: --allow-natives-syntax
+
+class C extends Object {
+  constructor() {
+    try { super(); } catch (e) { };
+    return 1;
+  }
+}
+
+class A extends C {
+  constructor() {
+    super();
+    throw new Error();
+    return { get: () => this };
+  }
+}
+
+var D = new Proxy(A, { get() { %DeoptimizeFunction(A); } });
+
+try { Reflect.construct(A, [], D); } catch(e) {}
+%OptimizeFunctionOnNextCall(A);
+try { Reflect.construct(A, [], D); } catch(e) {}
diff --git a/implementation-contributed/v8/mjsunit/es6/map-iterator-11.js b/implementation-contributed/v8/mjsunit/es6/map-iterator-11.js
new file mode 100644
index 0000000000000000000000000000000000000000..02eada9cc1ae19d7e24184cba013a9698a81ffc9
--- /dev/null
+++ b/implementation-contributed/v8/mjsunit/es6/map-iterator-11.js
@@ -0,0 +1,35 @@
+// Copyright 2018 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.
+
+var map = new Map([[1,2], [2,3], [3,4]]);
+
+var iterator = map.keys();
+assertEquals([1,2,3], [...map.keys()]);
+assertEquals([1,2,3], [...iterator]);
+assertEquals([], [...iterator]);
+
+iterator = map.values();
+assertEquals([2,3,4], [...iterator]);
+assertEquals([], [...iterator]);
+
+iterator = map.keys();
+iterator.next();
+assertEquals([2,3], [...iterator]);
+assertEquals([], [...iterator]);
+
+iterator = map.values();
+var iterator2 = map.values();
+
+map.delete(1);
+assertEquals([3,4], [...iterator]);
+assertEquals([], [...iterator]);
+
+map.set(1,5);
+assertEquals([3,4,5], [...iterator2]);
+assertEquals([], [...iterator2]);
+
+iterator = map.keys();
+map.set(4,6);
+assertEquals([2,3,1,4], [...iterator]);
+assertEquals([], [...iterator]);
diff --git a/implementation-contributed/v8/mjsunit/es6/set-iterator-11.js b/implementation-contributed/v8/mjsunit/es6/set-iterator-11.js
new file mode 100644
index 0000000000000000000000000000000000000000..dff71c8d91848d7e05af9b3ac8206f9dc77257bd
--- /dev/null
+++ b/implementation-contributed/v8/mjsunit/es6/set-iterator-11.js
@@ -0,0 +1,33 @@
+// Copyright 2018 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.
+
+var set = new Set([1,2,3]);
+
+var iterator = set.keys();
+
+assertEquals([1,2,3], [...set.keys()]);
+assertEquals([1,2,3], [...iterator]);
+assertEquals([], [...iterator]);
+
+iterator = set.values();
+assertEquals([1,2,3], [...iterator]);
+assertEquals([], [...iterator]);
+
+iterator = set.keys();
+iterator.next();
+assertEquals([2,3], [...iterator]);
+assertEquals([], [...iterator]);
+
+iterator = set.values();
+var iterator2 = set.values();
+
+set.delete(1);
+assertEquals([2,3], [...iterator]);
+
+set.add(4);
+assertEquals([2,3,4], [...iterator2]);
+
+iterator = set.keys();
+set.add(1);
+assertEquals([2,3,4,1], [...iterator]);
diff --git a/implementation-contributed/v8/mjsunit/mjsunit.status b/implementation-contributed/v8/mjsunit/mjsunit.status
index e4aec9fb43d7d07161affb84eceec609549fcc35..3d72dd63a9174cf01ce128682fe8ca80392cda98 100644
--- a/implementation-contributed/v8/mjsunit/mjsunit.status
+++ b/implementation-contributed/v8/mjsunit/mjsunit.status
@@ -448,955 +448,6 @@
   'regress/regress-779407': [PASS, SLOW],
 }],  # 'msan == True'
 
-##############################################################################
-['tsan == True', {
-  # https://bugs.chromium.org/p/v8/issues/detail?id=7102
-  # Flaky due to huge string allocation.
-  'regress/regress-748069': [SKIP],
-
-  # Allocates a large array buffer, which TSAN sometimes cannot handle.
-  'regress/regress-599717': [SKIP],
-
-  # BUG(v8:7042). Uses a lot of memory.
-  'regress/regress-678917': [SKIP],
-
-  # BUG(v8:8103). Uses a lot of memory.
-  'regress/regress-852258': [SKIP],
-
-  # BUG(v8:6924). The test uses a lot of memory.
-  'regress/wasm/regress-694433': [SKIP],
-  'es6/typedarray': [PASS, NO_VARIANTS],
-  'regress/regress-752764': [PASS, NO_VARIANTS],
-
-  # BUG(v8:8294). Started flaking from seemingly unrelated commits, investigating.
-  'object-seal': [SKIP],
-}],  # 'tsan == True'
-
-##############################################################################
-['arch == arm or arch == android_arm', {
-
-  # Slow tests which times out in debug mode.
-  'try': [PASS, ['mode == debug', SKIP]],
-  'array-constructor': [PASS, ['mode == debug', SKIP]],
-  'regress/regress-1122': [PASS, SLOW, ['mode == debug and arch == android_arm', SKIP]],
-
-  # Flaky test that can hit compilation-time stack overflow in debug mode.
-  'unicode-test': [PASS, ['mode == debug', PASS, FAIL]],
-
-  # Slow in release mode on ARM.
-  'compiler/regress-stacktrace-methods': [PASS, SLOW],
-  'array-splice': [PASS, SLOW],
-
-  # Long running tests. Skipping because having them timeout takes too long on
-  # the buildbot.
-  'big-object-literal': [SKIP],
-  'compiler/alloc-number': [SKIP],
-  'regress/regress-490': [SKIP],
-  'regress/regress-create-exception': [SKIP],
-  'regress/regress-3247124': [SKIP],
-
-  # Requires bigger stack size in the Genesis and if stack size is increased,
-  # the test requires too much time to run.  However, the problem test covers
-  # should be platform-independent.
-  'regress/regress-1132': [SKIP],
-
-  # Currently always deopt on minus zero
-  'math-floor-of-div-minus-zero': [SKIP],
-
-  # Slow tests.
-  'array-sort': [PASS, SLOW],
-  'compiler/osr-with-args': [PASS, SLOW],
-  'packed-elements': [PASS, SLOW],
-  'regress/regress-2790': [PASS, SLOW],
-  'regress/regress-91008': [PASS, SLOW],
-  'regress/regress-json-stringify-gc': [PASS, SLOW],
-  'string-indexof-2': [PASS, SLOW],
-  'wasm/atomics': [PASS, SLOW],
-}],  # 'arch == arm or arch == android_arm'
-
-##############################################################################
-['(arch == mipsel or arch == mips or arch == mips64el or arch == mips64) and simulator_run != True', {
-  # These tests fail occasionally on the buildbots because they consume
-  # a large amount of memory if executed in parallel. Therefore we
-  # run only a single instance of these tests
-  'regress/regress-crbug-514081': [PASS, NO_VARIANTS],
-  'regress/regress-599717': [PASS, NO_VARIANTS],
-  'regress/regress-599414-array-concat-fast-path': [PASS, NO_VARIANTS],
-  'array-functions-prototype-misc': [PASS, NO_VARIANTS],
-}],  # 'arch == mipsel or arch == mips or arch == mips64el or arch == mips64'
-
-##############################################################################
-['arch == mipsel or arch == mips or arch == mips64el or arch == mips64 or arch == ppc or arch == ppc64', {
-  # These tests fail because qNaN and sNaN values are encoded differently on
-  # MIPS and ARM/x86 architectures
-  'wasm/float-constant-folding': [SKIP],
-}],
-
-##############################################################################
-['arch == mipsel or arch == mips', {
-
-  # Slow tests which times out in debug mode.
-  'try': [PASS, ['mode == debug', SKIP]],
-  'array-constructor': [PASS, ['mode == debug', SKIP]],
-
-  # Slow in release mode on MIPS.
-  'compiler/regress-stacktrace-methods': [PASS, SLOW],
-  'array-splice': [PASS, SLOW],
-
-  # Long running test.
-  'string-indexof-2': [PASS, SLOW],
-
-  # Long running tests. Skipping because having them timeout takes too long on
-  # the buildbot.
-  'compiler/alloc-number': [SKIP],
-  'regress/regress-490': [SKIP],
-  'regress/regress-create-exception': [SKIP],
-  'regress/regress-3247124': [SKIP],
-
-  # Requires bigger stack size in the Genesis and if stack size is increased,
-  # the test requires too much time to run.  However, the problem test covers
-  # should be platform-independent.
-  'regress/regress-1132': [SKIP],
-
-  # Currently always deopt on minus zero
-  'math-floor-of-div-minus-zero': [SKIP],
-
-  # Requires too much memory on MIPS.
-  'regress/regress-752764': [SKIP],
-  'regress/regress-779407': [SKIP],
-  'harmony/bigint/regressions': [SKIP],
-}],  # 'arch == mipsel or arch == mips'
-
-##############################################################################
-['arch == mips64el or arch == mips64', {
-
-  # Slow tests which times out in debug mode.
-  'try': [PASS, ['mode == debug', SKIP]],
-  'array-constructor': [PASS, ['mode == debug', SKIP]],
-
-  # Slow in release mode on MIPS.
-  'compiler/regress-stacktrace-methods': [PASS, SLOW],
-  'array-splice': [PASS, SLOW],
-
-  # Long running test.
-  'string-indexof-2': [PASS, SLOW],
-
-  # BUG(3251035): Timeouts in long looping crankshaft optimization
-  # tests. Skipping because having them timeout takes too long on the
-  # buildbot.
-  'compiler/alloc-number': [PASS, SLOW],
-  'compiler/array-length': [PASS, SLOW],
-  'compiler/assignment-deopt': [PASS, SLOW],
-  'compiler/deopt-args': [PASS, SLOW],
-  'compiler/inline-compare': [PASS, SLOW],
-  'compiler/inline-global-access': [PASS, SLOW],
-  'compiler/optimized-function-calls': [PASS, SLOW],
-  'compiler/pic': [PASS, SLOW],
-  'compiler/property-calls': [PASS, SLOW],
-  'compiler/recursive-deopt': [PASS, SLOW],
-  'compiler/regress-4': [PASS, SLOW],
-  'compiler/regress-funcaller': [PASS, SLOW],
-  'compiler/regress-rep-change': [PASS, SLOW],
-  'compiler/regress-arguments': [PASS, SLOW],
-  'compiler/regress-funarguments': [PASS, SLOW],
-  'compiler/regress-3249650': [PASS, SLOW],
-  'compiler/simple-deopt': [PASS, SLOW],
-  'regress/regress-490': [PASS, SLOW],
-  'regress/regress-create-exception': [PASS, SLOW],
-  'regress/regress-3218915': [PASS, SLOW],
-  'regress/regress-3247124': [PASS, SLOW],
-
-  # Requires bigger stack size in the Genesis and if stack size is increased,
-  # the test requires too much time to run.  However, the problem test covers
-  # should be platform-independent.
-  'regress/regress-1132': [SKIP],
-
-  # Currently always deopt on minus zero
-  'math-floor-of-div-minus-zero': [SKIP],
-
-  # Requires too much memory on MIPS.
-  'regress/regress-752764': [SKIP],
-  'regress/regress-779407': [SKIP],
-}],  # 'arch == mips64el or arch == mips64'
-
-##############################################################################
-['system == windows', {
-  # TODO(mstarzinger): Too slow with turbo fan.
-  'big-object-literal': [SKIP],
-  'math-floor-of-div': [PASS, ['mode == debug', SKIP]],
-  'math-floor-of-div-nosudiv': [PASS, ['mode == debug', SKIP]],
-  'unicodelctest': [PASS, ['mode == debug', SKIP]],
-
-  # Setting the timezone and locale with environment variables unavailable
-  'icu-date-to-string': [SKIP],
-  'icu-date-lord-howe': [SKIP],
-  'regress/regress-6288': [SKIP],
-  'tzoffset-transition-apia': [SKIP],
-  'tzoffset-transition-lord-howe': [SKIP],
-  'tzoffset-transition-moscow': [SKIP],
-  'tzoffset-transition-new-york': [SKIP],
-  'tzoffset-transition-new-york-noi18n': [SKIP],
-  'tzoffset-seoul': [SKIP],
-  'tzoffset-seoul-noi18n': [SKIP],
-}],  # 'system == windows'
-
-##############################################################################
-['system == android', {
-  # Tests consistently failing on Android.
-  # Unable to change locale on Android:
-  'icu-date-to-string': [FAIL],
-  'regress/regress-6288': [FAIL],
-  # OOM:
-  'regress/regress-748069': [FAIL],
-  'regress/regress-752764': [FAIL],
-  'regress/regress-779407': [FAIL],
-  # Flaky OOM:
-  'regress/regress-852258': [SKIP],
-}],  # 'system == android'
-
-##############################################################################
-['system == macos', {
-  # BUG(v8:5333)
-  'big-object-literal': [SKIP],
-}],  # 'system == macos'
-
-##############################################################################
-['isolates', {
-  # Slow tests.
-  'es6/typedarray-of': [PASS, SLOW],
-  'regress/regress-crbug-854299': [PASS, SLOW],
-}],  # 'isolates'
-
-##############################################################################
-['deopt_fuzzer == True', {
-
-  # Skip tests that are not suitable for deoptimization fuzzing.
-  'never-optimize': [SKIP],
-  'readonly': [SKIP],
-  'array-feedback': [SKIP],
-  'deopt-recursive-eager-once': [SKIP],
-  'deopt-recursive-lazy-once': [SKIP],
-  'deopt-recursive-soft-once': [SKIP],
-  'code-coverage-block-opt': [SKIP],
-
-  # Bounds check triggers forced deopt for array constructors.
-  'array-constructor-feedback': [SKIP],
-
-  # Deopting uses just enough memory to make this one OOM.
-  'regress/regress-3976': [SKIP],
-
-  # Forced optimisation path tests.
-  'shared-function-tier-up-turbo': [SKIP],
-
-  # Fails deopt_fuzzer due to --deopt_every_n_times
-  'es6/array-iterator-turbo': [SKIP]
-}],  # 'deopt_fuzzer == True'
-
-##############################################################################
-['gc_fuzzer', {
-  'regress/regress-336820': [SKIP],
-  'regress/regress-748069': [SKIP],
-  'regress/regress-778668': [SKIP],
-  'ignition/regress-672027': [PASS, ['tsan', SKIP]],
-  'string-replace-gc': [PASS, SLOW, ['mode == debug', SKIP]],
-
-  # Unsuitable for GC fuzzing because coverage information is lost on GC.
-  'code-coverage-ad-hoc': [SKIP],
-  'code-coverage-precise': [SKIP],
-
-  # Fails allocation on tsan.
-  'es6/classes': [PASS, ['tsan', SKIP]],
-
-  # Tests that fail some assertions due to checking internal state sensitive
-  # to GC. We mark PASS,FAIL to not skip those tests on the endurance fuzzer.
-  'array-literal-feedback': [PASS, FAIL],
-  'compiler/native-context-specialization-hole-check': [PASS, FAIL],
-  'elements-transition-hoisting': [PASS, FAIL],
-  'es6/collections-constructor-custom-iterator': [PASS, FAIL],
-  'keyed-load-with-symbol-key': [PASS, FAIL],
-  'object-seal': [PASS, FAIL],
-  'regress/regress-3709': [PASS, FAIL],
-  'regress/regress-6948': [PASS, FAIL],
-  'regress/regress-7510': [PASS, FAIL],
-  'regress/regress-trap-allocation-memento': [PASS, FAIL],
-  'regress/regress-unlink-closures-on-deopt': [PASS, FAIL],
-  'shared-function-tier-up-turbo': [PASS, FAIL],
-}],  # 'gc_fuzzer'
-
-##############################################################################
-['endurance_fuzzer', {
-  # BUG(v8:7400).
-  'wasm/lazy-compilation': [SKIP],
-
-  # BUG(v8:7429).
-  'regress/regress-599414-array-concat-fast-path': [SKIP],
-
-  # Often crashes due to memory consumption.
-  'regress/regress-655573': [SKIP],
-
-  # TSAN allocation failures.
-  'deep-recursion': [PASS, ['tsan', SKIP]],
-  'regress/regress-430201b': [PASS, ['tsan', SKIP]],
-  'regress/regress-crbug-493779': [PASS, ['tsan', SKIP]],
-  'regress/wasm/regress-763439': [PASS, ['tsan', SKIP]],
-}],  # 'endurance_fuzzer'
-
-##############################################################################
-['predictable == True', {
-
-  # Skip tests that are known to be non-deterministic.
-  'd8/d8-worker-sharedarraybuffer': [SKIP],
-  'd8/d8-os': [SKIP],
-  'harmony/futex': [SKIP],
-
-  # BUG(v8:7166).
-  'd8/enable-tracing': [SKIP],
-  # Relies on async compilation which requires background tasks.
-  'wasm/streaming-error-position': [SKIP],
-}],  # 'predictable == True'
-
-##############################################################################
-['simulator_run and (arch == ppc or arch == ppc64 or arch == s390 or arch == s390x)', {
-
-  # take too long with the simulator.
-  'regress/regress-1132': [SKIP],
-  'regress/regress-740784': [SKIP],
-  'regress/regress-crbug-482998': [PASS, SLOW],
-  'regress/regress-91008': [PASS, SLOW],
-  'harmony/regexp-property-lu-ui': [PASS, SLOW],
-  'whitespaces': [PASS, SLOW],
-}],  # 'simulator_run and (arch == ppc or arch == ppc64 or arch == s390 or arch == s390x)'
-
-##############################################################################
-['arch == ppc64', {
-
-  # stack overflow
-  'big-array-literal': [SKIP],
-  'regress/regress-353551': [SKIP],
-}],  # 'arch == ppc64'
-
-##############################################################################
-['arch == ppc64 or arch == ppc or arch == s390 or arch == s390x', {
-
-  # TODO(ppc/s390): fix constant pool issue and implement tagging for reloc
-  'wasm/compiled-module-serialization': [SKIP],
-  'regress/wasm/regress-808980': [SKIP],
-  'regress/wasm/regress-808848': [SKIP],
-}],  # 'arch == ppc64 or arch == ppc or arch == s390 or arch == s390x'
-
-##############################################################################
-['variant == stress', {
-  'es6/array-iterator-turbo': [SKIP],
-
-  'array-natives-elements': [SKIP],
-  'ignition/regress-599001-verifyheap': [SKIP],
-  'unicode-test': [SKIP],
-
-  # Flaky crash on Odroid devices: https://crbug.com/v8/7678
-  'regress/regress-336820': [PASS, ['arch == arm and not simulator_run', SKIP]],
-
-  # Too slow for TSAN in stress mode.
-  'es6/classes': [PASS, ['tsan', SKIP]],
-  'regress/regress-1122': [PASS, ['tsan', SKIP]],
-
-  # Too slow with gc_stress on arm64.
-  'messages': [PASS, ['gc_stress and arch == arm64', SKIP]],
-
-  # Slow on arm64 simulator: https://crbug.com/v8/7783
-  'string-replace-gc': [PASS, ['arch == arm64 and simulator_run', SKIP]],
-
-  # Too memory hungry on Odroid devices.
-  'regress/regress-678917': [PASS, ['arch == arm and not simulator_run', SKIP]],
-
-  # https://crbug.com/v8/8164
-  'wasm/compare-exchange-stress': [SKIP],
-}],  # variant == stress
-
-##############################################################################
-['variant == stress and (arch == arm or arch == arm64) and simulator_run', {
-  # Slow tests: https://crbug.com/v8/7783
-  'generated-transition-stub': [SKIP],
-  'wasm/grow-memory': [SKIP],
-}],  # variant == stress and (arch == arm or arch == arm64) and simulator_run
-
-##############################################################################
-['variant == nooptimization and (arch == arm or arch == arm64) and simulator_run', {
-  # Slow tests: https://crbug.com/v8/7783
-  'md5': [SKIP],
-  'packed-elements': [SKIP],
-  'wasm/asm-wasm-f32': [SKIP],
-  'wasm/asm-wasm-f64': [SKIP],
-  'wasm/grow-memory': [SKIP],
-}],  # variant == nooptimization and (arch == arm or arch == arm64) and simulator_run
-
-##############################################################################
-['(arch == arm or arch == arm64)', {
-  # Flaky tests: https://crbug.com/v8/8090
-  'regress/regress-752764': [SKIP],
-}],  # (arch == arm or arch == arm64)
-
-##############################################################################
-['gcov_coverage', {
-  # Tests taking too long.
-  'array-functions-prototype-misc': [SKIP],
-
-  # Stack overflow.
-  'big-array-literal': [SKIP],
-}],  # 'gcov_coverage'
-
-##############################################################################
-['variant == no_wasm_traps', {
-  # Skip stuff uninteresting for wasm traps
-  'bugs/*': [SKIP],
-  'compiler/*': [SKIP],
-  'es6/*': [SKIP],
-  'es7/*': [SKIP],
-  'es8/*': [SKIP],
-  'harmony/*': [SKIP],
-  'ignition/*': [SKIP],
-  'lithium/*': [SKIP],
-  'third_party/*': [SKIP],
-  'tools/*': [SKIP],
-  'apply': [SKIP],
-  'math-*': [SKIP],
-  'unicode-test': [SKIP],
-  'whitespaces': [SKIP],
-}],  # variant == no_wasm_traps
-
-##############################################################################
-['no_harness', {
-    # skip assertion tests since the stack trace is broken if mjsunit is
-    # included in the snapshot
-    'mjsunit-assertion-error' : [SKIP],
-}], # no_harness
-
-##############################################################################
-['arch != x64 or deopt_fuzzer', {
-    # Skip stress-deopt-count tests since it's in x64 only
-    'compiler/stress-deopt-count-*': [SKIP],
-}], # arch != x64 or deopt_fuzzer
-
-##############################################################################
-# Liftoff is currently only sufficiently implemented on x64, ia32 and arm64.
-# TODO(clemensh): Implement on all other platforms (crbug.com/v8/6600).
-['arch != x64 and arch != ia32 and arch != arm64', {
-  'wasm/liftoff': [SKIP],
-  'wasm/tier-up-testing-flag': [SKIP],
-}], # arch != x64 and arch != ia32 and arch != arm64
-
-##############################################################################
-['variant == slow_path and gc_stress', {
-  # Slow tests.
-  'regress/regress-crbug-493779': [SKIP],
-  'string-replace-gc': [SKIP],
-}],  # variant == slow_path
-
-##############################################################################
-['arch == x64', {
-  # TODO: Flaky test: crbug.com/v8/7899
-  'wasm/asm-wasm-i32': [SKIP],
-  'wasm/asm-wasm-f64': [SKIP],
-}], # arch == x64
-
-##############################################################################
-['arch == ia32 and embedded_builtins == True', {
-  # TODO(v8:6666): Fix arguments adaptor trampoline
-  'wasm/compiled-module-serialization': [SKIP],
-  'asm/embenchen/copy': [SKIP],
-  'wasm/embenchen/corrections': [SKIP],
-  'asm/embenchen/primes': [SKIP],
-  'asm/embenchen/corrections': [SKIP],
-  'wasm/embenchen/copy': [SKIP],
-  'asm/embenchen/fannkuch': [SKIP],
-  'asm/embenchen/memops': [SKIP],
-  'asm/embenchen/fasta': [SKIP],
-  'wasm/embenchen/fannkuch': [SKIP],
-  'asm/embenchen/zlib': [SKIP],
-  'wasm/embenchen/fasta': [SKIP],
-  'wasm/embenchen/primes': [SKIP],
-  'wasm/embenchen/box2d': [SKIP],
-  'asm/embenchen/box2d': [SKIP],
-  'wasm/embenchen/memops': [SKIP],
-  'wasm/embenchen/zlib': [SKIP],
-  'asm/embenchen/lua_binarytrees': [SKIP],
-  'wasm/embenchen/lua_binarytrees': [SKIP],
-  'asm/sqlite3/sqlite': [SKIP],
-  'asm/sqlite3/sqlite-safe-heap': [SKIP],
-  'asm/sqlite3/sqlite-pointer-masking': [SKIP],
-  'asm/poppler/poppler': [SKIP],
-  'regress/wasm/regress-808848': [SKIP],
-  'regress/wasm/regress-834624': [SKIP],
-  'regress/wasm/regress-843563': [SKIP],
-  'wasm/anyref': [SKIP],
-  'wasm/exceptions-shared': [SKIP],
-  'wasm/errors': [SKIP],
-  'wasm/ffi-error': [SKIP],
-  'wasm/gc-frame': [SKIP],
-  'wasm/import-function': [SKIP],
-  'wasm/ffi': [SKIP],
-  'wasm/test-wasm-module-builder': [SKIP],
-  'wasm/stackwalk': [SKIP],
-}],  # arch == ia32 and embedded_builtins == True
-
-]
-
-    /*
-    ********************************** test262-automation **********************************
-    Summary: The two files have now diverged.
-        File Status: Partially curated & modified.
-        Source Status: Modified since its export.
-        Below is the current and modified source which was exported on Mon Oct 15 2018 18:44:03 GMT+0000 (Coordinated Universal Time)
-    */
-      # Copyright 2012 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, {
-  # Modules which are only meant to be imported from by other tests, not to be
-  # tested standalone.
-  'modules-skip*': [SKIP],
-  'harmony/modules-skip*': [SKIP],
-  'regress/modules-skip*': [SKIP],
-
-  # All tests in the bug directory are expected to fail.
-  'bugs/*': [FAIL],
-
-  ##############################################################################
-  # Fails.
-  'regress/regress-1119': [FAIL],
-
-  # Issue 1719: Slow to collect arrays over several contexts.
-  'regress/regress-524': [SKIP],
-  # When that bug is fixed, revert the expectation to:
-  # Skip long running test in debug.
-  # regress/regress-524: [PASS, ['mode == debug', SKIP]],
-
-  # This test non-deterministically runs out of memory on Windows ia32.
-  'regress/regress-crbug-160010': [SKIP],
-
-  # Issue 3784: setters-on-elements is flaky
-  'setters-on-elements': [PASS, FAIL],
-
-  # Issue 5495: enable the test when the constant field tracking in enabled.
-  'const-field-tracking': [SKIP],
-
-  ##############################################################################
-  # Too slow in debug mode with --stress-opt mode.
-  'regress/regress-create-exception': [PASS, ['mode == debug', SKIP]],
-
-  ##############################################################################
-  # Too slow in debug mode for validation of elements.
-  'regress/regress-430201': [PASS, ['mode == debug', SKIP], ['tsan', SKIP]],
-  'regress/regress-430201b': [PASS, ['mode == debug', SKIP]],
-  'regress/regress-716044': [PASS, ['mode == debug', SKIP]],
-
-  ##############################################################################
-  # Too slow in debug mode for GC stress mode.
-  'regress/regress-crbug-217858': [PASS, ['mode == debug', SKIP]],
-
-  # Too slow in debug mode and under turbofan.
-  'regress/regress-4595': [PASS, NO_VARIANTS, ['mode == debug', SKIP]],
-
-  ##############################################################################
-  # Only RegExp stuff tested, no need for extensive optimizing compiler tests.
-  'regexp-global': [PASS, NO_VARIANTS],
-  'third_party/regexp-pcre/regexp-pcre': [PASS, NO_VARIANTS],
-
-  ##############################################################################
-  # No need to waste time for this test.
-  'd8/d8-performance-now': [PASS, NO_VARIANTS],
-  'regress/regress-crbug-491062': [PASS, NO_VARIANTS],
-
-  # Issue 488: this test sometimes times out.
-  # TODO(arm): This seems to flush out a bug on arm with simulator.
-  'array-constructor': [PASS, SLOW, ['arch == arm and simulator == True', SKIP]],
-
-  # Very slow test
-  'regress/regress-crbug-808192' : [PASS, SLOW, NO_VARIANTS, ['mode == debug or arch == arm or arch == arm64 or arch == android_arm or arch == android_arm64 or arch == mipsel or arch == mips64el or arch == mips64 or arch == mips or arch == s390 or arch == s390x or arch == ppc or arch == ppc64', SKIP]],
-
-  # Very slow on ARM and MIPS, contains no architecture dependent code.
-  'unicode-case-overoptimization': [PASS, NO_VARIANTS, ['arch == arm or arch == arm64 or arch == android_arm or arch == android_arm64 or arch == mipsel or arch == mips64el or arch == mips64 or arch == mips', SKIP]],
-  'regress/regress-3976': [PASS, NO_VARIANTS, ['arch == arm or arch == arm64 or arch == android_arm or arch == android_arm64 or arch == mipsel or arch == mips64el or arch == mips64 or arch == mips', SKIP]],
-  'regress/regress-crbug-482998': [PASS, NO_VARIANTS, ['arch == arm or arch == arm64 or arch == android_arm or arch == android_arm64 or arch == mipsel or arch == mips64el or arch == mips', SKIP]],
-  'regress/regress-740784': [PASS, NO_VARIANTS, ['arch == arm or arch == arm64 or arch == android_arm or arch == android_arm64 or arch == mipsel or arch == mips64el or arch == mips', SKIP]],
-
-  # This test allocates a 2G block of memory and if there are multiple
-  # variants this can lead to OOM.
-  'regress/regress-crbug-514081': [PASS, NO_VARIANTS],
-
-  ##############################################################################
-  # Skip long running tests that time out in debug mode.
-  'generated-transition-stub': [PASS, ['mode == debug', SKIP]],
-  'migrations': [SKIP],
-  'array-functions-prototype-misc': [PASS, SLOW, ['mode == debug', SKIP]],
-  'compiler/regress-808472': [PASS, ['mode == debug', SKIP]],
-  'es6/promise-all-overflow-1': [SKIP],
-  'es6/promise-all-overflow-2': [PASS, SLOW, ['mode == debug or arch != x64', SKIP]],
-
-  ##############################################################################
-  # This test sets the umask on a per-process basis and hence cannot be
-  # used in multi-threaded runs.
-  # On android there is no /tmp directory.
-  # Currently d8-os generates a temporary directory name using Math.random(), so
-  # we cannot run several variants of d8-os simultaneously, since all of them
-  # get the same random seed and would generate the same directory name. Besides
-  # that, it doesn't make sense to run several variants of d8-os anyways.
-  'd8/d8-os': [PASS, NO_VARIANTS, ['isolates or arch == android_arm or arch == android_arm64 or arch == android_ia32', SKIP]],
-  'tools/tickprocessor': [PASS, NO_VARIANTS, ['arch == android_arm or arch == android_arm64 or arch == android_ia32', SKIP]],
-  'tools/dumpcpp': [PASS, NO_VARIANTS, ['arch == android_arm or arch == android_arm64 or arch == android_ia32', SKIP]],
-
-  ##############################################################################
-  # These tests generate files in the test directory, so we cannot run several
-  # variants of them simultaneously. Additionally they should not be affected by
-  # variants.
-  'd8/enable-tracing': [PASS, NO_VARIANTS],
-  'tools/compiler-trace-flags': [PASS, NO_VARIANTS],
-
-  ##############################################################################
-  # Long running test that reproduces memory leak and should be run manually.
-  'regress/regress-2073': [SKIP],
-
-  ##############################################################################
-  # Tests verifying CHECK and ASSERT.
-  'verify-check-false': [FAIL, NO_VARIANTS],
-  'verify-assert-false': [NO_VARIANTS, ['mode == release and dcheck_always_on == False', PASS], ['mode == debug or dcheck_always_on == True', FAIL]],
-
-  ##############################################################################
-  # Tests with different versions for release and debug.
-  'compiler/alloc-number': [PASS, ['mode == debug', SKIP]],
-  'compiler/alloc-number-debug': [PASS, ['mode == release', SKIP]],
-  'regress/regress-634-debug': [PASS, ['mode == release', SKIP]],
-
-  # BUG(v8:2989).
-  'regress/regress-2989': [FAIL, NO_VARIANTS],
-
-  # This test variant makes only sense on arm.
-  'math-floor-of-div-nosudiv': [PASS, SLOW, ['arch not in [arm, arm64, android_arm, android_arm64]', SKIP]],
-
-  # Too slow for slow variants.
-  'asm/embenchen/*': [PASS, SLOW, NO_VARIANTS],
-  'asm/poppler/*': [PASS, SLOW, NO_VARIANTS],
-  'asm/sqlite3/*': [PASS, SLOW, NO_VARIANTS],
-
-  # OOM flakes in isolates tests because too many largish heaps are created.
-  'asm/asm-heap': [PASS, NO_VARIANTS, ['isolates', SKIP]],
-
-  # Slow tests.
-  'copy-on-write-assert': [PASS, SLOW],
-  'es6/typedarray-construct-offset-not-smi': [PASS, SLOW],
-  'harmony/regexp-property-script-extensions': [PASS, SLOW],
-  'md5': [PASS, SLOW],
-  'numops-fuzz-part*': [PASS, ['mode == debug', SLOW]],
-  'readonly': [PASS, SLOW],
-  'regress/regress-1122': [PASS, SLOW],
-  'regress/regress-605470': [PASS, SLOW],
-  'regress/regress-655573': [PASS, SLOW],
-  'regress/regress-1200351': [PASS, SLOW],
-  'regress/wasm/regress-810973': [PASS, SLOW],
-  'string-replace-gc': [PASS, SLOW],
-  'wasm/asm-wasm-f32': [PASS, SLOW],
-  'wasm/asm-wasm-f64': [PASS, SLOW],
-  'wasm/compare-exchange-stress': [PASS, SLOW],
-  'wasm/embenchen/*': [PASS, SLOW],
-  'wasm/grow-memory': [PASS, SLOW],
-  'wasm/unreachable-validation': [PASS, SLOW],
-
-  # case-insensitive unicode regexp relies on case mapping provided by ICU.
-  'es6/unicode-regexp-ignore-case': [PASS, ['no_i18n == True', FAIL]],
-  'es6/unicode-regexp-ignore-case-noi18n': [FAIL, ['no_i18n == True', PASS]],
-  'regress/regress-5036': [PASS, ['no_i18n == True', FAIL]],
-  'es7/regexp-ui-word': [PASS, ['no_i18n == True', FAIL]],
-  'regexp-modifiers-i18n': [PASS, ['no_i18n == True', FAIL]],
-  'regexp-modifiers-autogenerated-i18n': [PASS, ['no_i18n == True', FAIL]],
-  # desugaring regexp property class relies on ICU.
-  'harmony/regexp-property-*': [PASS, ['no_i18n == True', FAIL]],
-  'regress/regress-793588': [PASS, ['no_i18n == True', FAIL]],
-
-  # noi18n build cannot parse characters in supplementary plane.
-  'harmony/regexp-named-captures': [PASS, ['no_i18n == True', FAIL]],
-
-  # noi18n cannot turn on ICU backend for Date
-  'icu-date-to-string': [PASS, ['no_i18n == True', SKIP]],
-  'icu-date-lord-howe': [PASS, ['no_i18n == True', SKIP]],
-  'tzoffset-transition-apia': [PASS, ['no_i18n == True', SKIP]],
-  'tzoffset-transition-lord-howe': [PASS, ['no_i18n == True', SKIP]],
-  'tzoffset-transition-moscow': [PASS, ['no_i18n == True', SKIP]],
-  'tzoffset-transition-new-york': [PASS, ['no_i18n == True', SKIP]],
-  'tzoffset-seoul': [PASS, ['no_i18n == True', SKIP]],
-
-  # TODO(bmeurer): Flaky timeouts (sometimes <1s, sometimes >3m).
-  'unicodelctest': [PASS, NO_VARIANTS],
-  'unicodelctest-no-optimization': [PASS, NO_VARIANTS],
-
-  # TODO(vogelheim): big-object-literal exceeds the stack in debug builds,
-  #                  which makes the test useless.
-  'big-object-literal': [PASS, ['mode == debug', SKIP]],
-
-  # Runs out of stack space in debug builds.
-  'big-array-literal': [PASS, ['mode == debug', SKIP]],
-
-  # BUG(v8:6306).
-  'wasm/huge-memory': [SKIP],
-
-  # Allocates a huge string and then flattens it, very slow in debug mode.
-  'regress/regress-752764': [PASS, ['mode == debug', SLOW]],
-
-  # https://crbug.com/v8/7697
-  'array-literal-feedback': [PASS, FAIL],
-
-  # https://crbug.com/v8/7775
-  'allocation-site-info': [SKIP],
-
-  # BUG(v8:8169)
-  'external-backing-store-gc': [SKIP],
-}],  # ALWAYS
-
-['novfp3 == True', {
-  'asm/embenchen/box2d': [SKIP],
-  'asm/embenchen/zlib': [SKIP],
-  'asm/embenchen/memops': [SKIP],
-  'asm/embenchen/lua_binarytrees': [SKIP],
-}],  # novfp3 == True
-
-##############################################################################
-# TODO(ahaas): Port multiple return values to ARM, MIPS, S390 and PPC
-['arch == arm or arch == arm64 or arch == mips or arch == mips64 or arch == mipsel or arch == mips64el or arch == s390 or arch == s390x or arch == ppc or arch == ppc64', {
-  'wasm/multi-value': [SKIP],
-}],
-
-##############################################################################
-['gc_stress == True', {
-  # Skip tests not suitable for GC stress.
-  'allocation-site-info': [SKIP],
-  'array-constructor-feedback': [SKIP],
-  'array-feedback': [SKIP],
-  'array-literal-feedback': [SKIP],
-  'd8/d8-performance-now': [SKIP],
-  'elements-kind': [SKIP],
-  'elements-transition-hoisting': [SKIP],
-  'fast-prototype': [SKIP],
-  'field-type-tracking': [SKIP],
-  'getters-on-elements': [SKIP],
-  'es6/block-let-crankshaft': [SKIP],
-  'opt-elements-kind': [SKIP],
-  'osr-elements-kind': [SKIP],
-  'regress/regress-crbug-137689': [SKIP],
-  'regress/regress-trap-allocation-memento': [SKIP],
-  'regress/regress-2249': [SKIP],
-  'regress/regress-4121': [SKIP],
-  'compare-known-objects-slow': [SKIP],
-  'compiler/array-multiple-receiver-maps': [SKIP],
-  # Tests taking too long
-  'packed-elements': [SKIP],
-  'regress/regress-1122': [SKIP],
-  'regress/regress-331444': [SKIP],
-  'regress/regress-353551': [SKIP],
-  'regress/regress-crbug-119926': [SKIP],
-  'regress/short-circuit': [SKIP],
-  'stack-traces-overflow': [SKIP],
-  'unicode-test': [SKIP],
-  'whitespaces': [SKIP],
-
-  # Unsuitable for GC stress because coverage information is lost on GC.
-  'code-coverage-ad-hoc': [SKIP],
-  'code-coverage-precise': [SKIP],
-
-  # TODO(mstarzinger): Takes too long with TF.
-  'array-sort': [PASS, NO_VARIANTS],
-  'regress/regress-91008': [PASS, NO_VARIANTS],
-  'regress/regress-transcendental': [PASS, ['arch == arm64', NO_VARIANTS]],
-  'compiler/osr-regress-max-locals': [PASS, NO_VARIANTS],
-  'math-floor-of-div': [PASS, NO_VARIANTS],
-  'unicodelctest': [PASS, NO_VARIANTS],
-  'unicodelctest-no-optimization': [PASS, NO_VARIANTS],
-
-  # TODO(jkummerow): Doesn't work correctly in GC stress.
-  'regress/regress-crbug-500497': [SKIP],
-
-  # Too slow for gc stress.
-  'asm/embenchen/box2d': [SKIP],
-
-  # BUG(v8:4237)
-  'regress/regress-3976': [SKIP],
-
-  # Slow tests.
-  'array-constructor': [PASS, SLOW],
-  'json': [PASS, SLOW],
-
-  # BUG(v8:4779): Crashes flakily with stress mode on arm64.
-  'array-splice': [PASS, SLOW, ['arch == arm64', NO_VARIANTS]],
-
-  # BUG(v8:7880): Slow tests.
-  'regress/regress-707066': [SKIP],
-  'regress/regress-446389': [SKIP],
-  'regress/regress-458987': [SKIP],
-  'es6/regress/regress-crbug-465671': [SKIP],
-  'regress/regress-inline-getter-near-stack-limit': [SKIP],
-  'es6/regress/regress-crbug-465671-null': [SKIP],
-  'regress/regress-148378': [SKIP],
-  'regress/regress-crbug-762472': [SKIP],
-}],  # 'gc_stress == True'
-
-##############################################################################
-['byteorder == big', {
-  # Emscripten requires little-endian, skip all tests on big endian platforms.
-  'asm/embenchen/*': [SKIP],
-  'asm/poppler/*': [SKIP],
-  'asm/sqlite3/*': [SKIP],
-  # TODO(mips-team): Fix Wasm for big-endian.
-  'wasm/*': [SKIP],
-}],  # 'byteorder == big'
-
-##############################################################################
-['arch == arm64 or arch == android_arm64', {
-
-  # Requires bigger stack size in the Genesis and if stack size is increased,
-  # the test requires too much time to run.  However, the problem test covers
-  # should be platform-independent.
-  'regress/regress-1132': [SKIP],
-
-  # Pass but take too long to run. Skip.
-  # Some similar tests (with fewer iterations) may be included in arm64-js
-  # tests.
-  'asm/embenchen/box2d': [SKIP],
-  'asm/embenchen/lua_binarytrees': [SKIP],
-  'big-object-literal': [SKIP],
-  'compiler/regress-arguments': [SKIP],
-  'compiler/regress-gvn': [SKIP],
-  'compiler/regress-4': [SKIP],
-  'compiler/regress-or': [SKIP],
-  'compiler/regress-rep-change': [SKIP],
-  'regress/regress-1117': [SKIP],
-  'regress/regress-1849': [SKIP],
-  'regress/regress-3247124': [SKIP],
-  'regress/regress-91008': [SKIP],
-  'regress/regress-91010': [SKIP],
-  'regress/regress-91013': [SKIP],
-  'regress/regress-99167': [SKIP],
-
-  # BUG(v8:3457).
-  'deserialize-reference': [PASS, FAIL],
-
-  # BUG(v8:4016)
-  'regress/regress-crbug-467047': [SKIP],
-
-  # Slow tests.
-  'array-concat': [PASS, SLOW],
-  'array-indexing': [PASS, SLOW],
-  'array-reduce': [PASS, SLOW],
-  'array-sort': [PASS, SLOW],
-  'array-splice': [PASS, SLOW],
-  'bit-not': [PASS, SLOW],
-  'compiler/alloc-number': [PASS, SLOW],
-  'compiler/osr-assert': [PASS, SLOW],
-  'compiler/osr-with-args': [PASS, SLOW],
-  'generated-transition-stub': [PASS, SLOW],
-  'json2': [PASS, SLOW],
-  'math-floor-of-div-nosudiv': [PASS, SLOW],
-  'math-floor-of-div': [PASS, SLOW],
-  'messages': [PASS, SLOW],
-  'packed-elements': [PASS, SLOW],
-  'regress/regress-2790': [PASS, SLOW],
-  'regress/regress-331444': [PASS, SLOW],
-  'regress/regress-490': [PASS, SLOW],
-  'regress/regress-crbug-217858': [PASS, SLOW],
-  'regress/regress-create-exception': [PASS, SLOW],
-  'regress/regress-json-stringify-gc': [PASS, SLOW],
-  'string-indexof-2': [PASS, SLOW],
-  'unicodelctest-no-optimization': [PASS, SLOW],
-  'unicodelctest': [PASS, SLOW],
-  'unicode-test': [PASS, SLOW],
-  'wasm/atomics': [PASS, SLOW],
-  'whitespaces': [PASS, SLOW],
-
-  # BUG(v8:7247).
-  'regress/regress-779407': [PASS, SLOW, NO_VARIANTS],
-}],  # 'arch == arm64'
-
-['arch == arm64 and mode == debug and simulator_run', {
-
-  # Pass but take too long with the simulator in debug mode.
-  'array-sort': [PASS, SLOW],
-  'packed-elements': [SKIP],
-  'regexp-global': [SKIP],
-  'math-floor-of-div': [PASS, SLOW],
-  'math-floor-of-div-nosudiv': [PASS, SLOW],
-  'unicodelctest': [PASS, SLOW],
-  'unicodelctest-no-optimization': [PASS, SLOW],
-  # Issue 3219:
-  'getters-on-elements': [PASS, ['gc_stress == True', FAIL]],
-}],  # 'arch == arm64 and mode == debug and simulator_run'
-
-##############################################################################
-['asan == True', {
-  # Skip tests not suitable for ASAN.
-  'big-array-literal': [SKIP],
-  'big-object-literal': [SKIP],
-  'regress/regress-crbug-178790': [SKIP],
-
-  # https://bugs.chromium.org/p/v8/issues/detail?id=4639
-  # The failed allocation causes an asan/msan/tsan error
-  'es6/typedarray-construct-offset-not-smi': [SKIP],
-
-  # Exception thrown during bootstrapping on ASAN builds, see issue 4236.
-  'regress/regress-1132': [SKIP],
-
-  # Flaky on ASAN builds: https://bugs.chromium.org/p/v8/issues/detail?id=6305
-  'regress/regress-430201': [SKIP],
-  'regress/regress-430201b': [SKIP],
-
-  # Stack overflow on windows.
-  'es8/regress/regress-624300': [PASS, ['system == windows', SKIP]],
-
-  # https://bugs.chromium.org/p/v8/issues/detail?id=7102
-  # Flaky due to huge string allocation.
-  'regress/regress-748069': [SKIP],
-}],  # 'asan == True'
-
-##############################################################################
-['msan == True', {
-  # Skip tests not suitable for MSAN.
-  'big-array-literal': [SKIP],
-  # ICU upstream issues.
-  'date': [SKIP],
-  'deep-recursion': [SKIP],
-  'regress/regress-builtinbust-7': [SKIP],
-  'string-localecompare': [SKIP],
-
-  # Too slow.
-  'harmony/regexp-property-lu-ui': [SKIP],
-
-  # https://bugs.chromium.org/p/v8/issues/detail?id=7102
-  # Flaky due to huge string allocation.
-  'regress/regress-748069': [SKIP],
-  # Slow test.
-  'regress/regress-779407': [PASS, SLOW],
-}],  # 'msan == True'
-
 ##############################################################################
 ['tsan == True', {
   # https://bugs.chromium.org/p/v8/issues/detail?id=7102
@@ -1664,6 +715,7 @@
   'regress/regress-3709': [PASS, FAIL],
   'regress/regress-6948': [PASS, FAIL],
   'regress/regress-7510': [PASS, FAIL],
+  'regress/regress-crbug-882233-2': [PASS, FAIL],
   'regress/regress-trap-allocation-memento': [PASS, FAIL],
   'regress/regress-unlink-closures-on-deopt': [PASS, FAIL],
   'shared-function-tier-up-turbo': [PASS, FAIL],
@@ -1756,12 +808,16 @@
 
   # https://crbug.com/v8/8164
   'wasm/compare-exchange-stress': [SKIP],
+
+  # Too slow for verify-csa builds.
+  'big-object-literal': [PASS, ['verify_csa == True', SKIP]],
 }],  # variant == stress
 
 ##############################################################################
 ['variant == stress and (arch == arm or arch == arm64) and simulator_run', {
   # Slow tests: https://crbug.com/v8/7783
   'generated-transition-stub': [SKIP],
+  'regress/regress-336820': [SKIP],
   'wasm/grow-memory': [SKIP],
 }],  # variant == stress and (arch == arm or arch == arm64) and simulator_run
 
@@ -1770,6 +826,7 @@
   # Slow tests: https://crbug.com/v8/7783
   'md5': [SKIP],
   'packed-elements': [SKIP],
+  'regress/regress-crbug-319860': [SKIP],
   'wasm/asm-wasm-f32': [SKIP],
   'wasm/asm-wasm-f64': [SKIP],
   'wasm/grow-memory': [SKIP],
diff --git a/implementation-contributed/v8/mjsunit/regress/regress-895691.js b/implementation-contributed/v8/mjsunit/regress/regress-895691.js
new file mode 100644
index 0000000000000000000000000000000000000000..6f63ac6c9b025fa2e1c09cd455599eb109e1e759
--- /dev/null
+++ b/implementation-contributed/v8/mjsunit/regress/regress-895691.js
@@ -0,0 +1,18 @@
+// Copyright 2018 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: --allow-natives-syntax
+
+const n = 2**32;
+const x = new Float32Array();
+
+function f() {
+  for (var i = 96; i < 100; i += 4) {
+    x[i] = i + n;
+  }
+}
+
+f();
+%OptimizeFunctionOnNextCall(f);
+f();
diff --git a/implementation-contributed/v8/test262/test262.status b/implementation-contributed/v8/test262/test262.status
index 4210263d4010ff821cd9aacb457024a41eaf09b1..47965aa50ccf2125d6826fe16d4943dab3835ebe 100644
--- a/implementation-contributed/v8/test262/test262.status
+++ b/implementation-contributed/v8/test262/test262.status
@@ -550,9 +550,6 @@
   # https://bugs.chromium.org/p/v8/issues/detail?id=7669
   'intl402/Intl/getCanonicalLocales/canonicalized-tags': [FAIL],
 
-  # https://bugs.chromium.org/p/v8/issues/detail?id=8051
-  'intl402/Collator/unicode-ext-seq-in-private-tag': [FAIL],
-
   # Tests assume that the sort order of "same elements" (comparator returns 0)
   # is deterministic.
   # https://crbug.com/v8/7808
@@ -616,6 +613,15 @@
   # https://bugs.chromium.org/p/v8/issues/detail?id=7871
   'intl402/ListFormat/prototype/formatToParts/en-us-disjunction': [FAIL],
 
+  # The following is due to spec changes in
+  # https://github.com/tc39/proposal-intl-list-format/pull/27
+  # and will be addressed after pulling new test262 which include the tests fixes in
+  # https://github.com/tc39/test262/pull/1860
+  # see https://bugs.chromium.org/p/v8/issues/detail?id=8302
+  'intl402/ListFormat/constructor/constructor/options-style-valid': [FAIL],
+  'intl402/ListFormat/prototype/format/en-us-narrow': [FAIL],
+  'intl402/ListFormat/prototype/formatToParts/en-us-narrow': [FAIL],
+
   ######################## NEEDS INVESTIGATION ###########################
 
   # These test failures are specific to the intl402 suite and need investigation