From 92143ed8c7aedffb35451f5ee281445e3b367208 Mon Sep 17 00:00:00 2001
From: test262-automation <test262-automation@bocoup.com>
Date: Wed, 3 Oct 2018 18:37:00 +0000
Subject: [PATCH] [v8-test262-automation] Changes from
https://github.com/v8/v8.git at sha 7b32eb8c on Wed Oct 03 2018 18:36:24
GMT+0000 (Coordinated Universal Time)
---
.../v8/mjsunit/compiler/number-abs.js | 76 +++++++++++++++++++
.../v8/mjsunit/compiler/number-modulus.js | 31 ++++++++
.../v8/mjsunit/compiler/regress-7121.js | 2 +-
.../compiler/typed-array-constructor.js | 2 +-
.../v8/mjsunit/es6/proxy-function-tostring.js | 5 +-
.../v8/mjsunit/harmony/bigint/add.js | 2 -
.../v8/mjsunit/harmony/bigint/and.js | 2 -
.../v8/mjsunit/harmony/bigint/as-int-n.js | 2 -
.../v8/mjsunit/harmony/bigint/basics.js | 2 +-
.../v8/mjsunit/harmony/bigint/comparisons.js | 2 +-
.../v8/mjsunit/harmony/bigint/dataview.js | 2 -
.../v8/mjsunit/harmony/bigint/dec.js | 2 -
.../v8/mjsunit/harmony/bigint/div.js | 2 -
.../v8/mjsunit/harmony/bigint/exp.js | 2 +-
.../v8/mjsunit/harmony/bigint/inc.js | 2 -
.../v8/mjsunit/harmony/bigint/json.js | 2 +-
.../v8/mjsunit/harmony/bigint/mod.js | 2 -
.../v8/mjsunit/harmony/bigint/mul.js | 2 -
.../v8/mjsunit/harmony/bigint/neg.js | 2 -
.../v8/mjsunit/harmony/bigint/not.js | 2 -
.../v8/mjsunit/harmony/bigint/or.js | 2 -
.../harmony/bigint/regress-tonumbercode.js | 2 +-
.../v8/mjsunit/harmony/bigint/regressions.js | 2 -
.../v8/mjsunit/harmony/bigint/sar.js | 2 -
.../v8/mjsunit/harmony/bigint/shl.js | 2 -
.../v8/mjsunit/harmony/bigint/sub.js | 2 -
.../v8/mjsunit/harmony/bigint/tonumber.js | 2 -
.../v8/mjsunit/harmony/bigint/turbo.js | 2 +-
.../v8/mjsunit/harmony/bigint/typedarray.js | 2 +-
.../v8/mjsunit/harmony/bigint/xor.js | 2 -
.../bigintarray-keyedstore-tobigint.js | 2 -
.../v8/mjsunit/harmony/function-tostring.js | 2 -
.../v8/mjsunit/regress/regress-707066.js | 2 -
.../v8/mjsunit/string-trim.js | 2 -
.../v8/test262/testcfg.py | 1 -
35 files changed, 118 insertions(+), 57 deletions(-)
create mode 100644 implementation-contributed/v8/mjsunit/compiler/number-abs.js
diff --git a/implementation-contributed/v8/mjsunit/compiler/number-abs.js b/implementation-contributed/v8/mjsunit/compiler/number-abs.js
new file mode 100644
index 0000000000..9eb8ab5bb5
--- /dev/null
+++ b/implementation-contributed/v8/mjsunit/compiler/number-abs.js
@@ -0,0 +1,76 @@
+// 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 --opt
+
+// Test that NumberAbs correctly deals with PositiveInteger \/ MinusZero
+// and turns the -0 into a 0.
+(function() {
+ function foo(x) {
+ x = Math.floor(x);
+ x = Math.max(x, -0);
+ return 1 / Math.abs(x);
+ }
+
+ assertEquals(Infinity, foo(-0));
+ assertEquals(Infinity, foo(-0));
+ %OptimizeFunctionOnNextCall(foo);
+ assertEquals(Infinity, foo(-0));
+})();
+
+// Test that NumberAbs properly passes the kIdentifyZeros truncation
+// for Signed32 \/ MinusZero inputs.
+(function() {
+ function foo(x) {
+ return Math.abs(x * -2);
+ }
+
+ assertEquals(2, foo(-1));
+ assertEquals(4, foo(-2));
+ %OptimizeFunctionOnNextCall(foo);
+ assertEquals(2, foo(-1));
+ assertEquals(4, foo(-2));
+ assertOptimized(foo);
+ // Now `foo` should stay optimized even if `x * -2` would produce `-0`.
+ assertEquals(0, foo(0));
+ assertOptimized(foo);
+})();
+
+// Test that NumberAbs properly passes the kIdentifyZeros truncation
+// for Unsigned32 \/ MinusZero inputs.
+(function() {
+ function foo(x) {
+ x = x | 0;
+ return Math.abs(Math.max(x * -2, 0));
+ }
+
+ assertEquals(2, foo(-1));
+ assertEquals(4, foo(-2));
+ %OptimizeFunctionOnNextCall(foo);
+ assertEquals(2, foo(-1));
+ assertEquals(4, foo(-2));
+ assertOptimized(foo);
+ // Now `foo` should stay optimized even if `x * -2` would produce `-0`.
+ assertEquals(0, foo(0));
+ assertOptimized(foo);
+})();
+
+// Test that NumberAbs properly passes the kIdentifyZeros truncation
+// for OrderedNumber inputs.
+(function() {
+ function foo(x) {
+ x = x | 0;
+ return Math.abs(Math.min(x * -2, 2 ** 32));
+ }
+
+ assertEquals(2, foo(-1));
+ assertEquals(4, foo(-2));
+ %OptimizeFunctionOnNextCall(foo);
+ assertEquals(2, foo(-1));
+ assertEquals(4, foo(-2));
+ assertOptimized(foo);
+ // Now `foo` should stay optimized even if `x * -2` would produce `-0`.
+ assertEquals(0, foo(0));
+ assertOptimized(foo);
+})();
diff --git a/implementation-contributed/v8/mjsunit/compiler/number-modulus.js b/implementation-contributed/v8/mjsunit/compiler/number-modulus.js
index cccb93b803..77d6773f4a 100644
--- a/implementation-contributed/v8/mjsunit/compiler/number-modulus.js
+++ b/implementation-contributed/v8/mjsunit/compiler/number-modulus.js
@@ -123,3 +123,34 @@
assertEquals(1, foo(4));
assertOptimized(foo);
})();
+
+// Test that NumberModulus works in the case where TurboFan
+// can infer that the output is Signed32 \/ MinusZero, and
+// there's a truncation on the result that identifies zeros
+// (via the SpeculativeNumberEqual).
+(function() {
+ // We need a separately polluted % with NumberOrOddball feedback.
+ function bar(x) { return x % 2; }
+ bar(undefined); // The % feedback is now NumberOrOddball.
+
+ // Now we just use the gadget above on an `x` that is known
+ // to be in Signed32 range and compare it to 0, which passes
+ // a truncation that identifies zeros.
+ function foo(x) {
+ if (bar(x | 0) == 0) return 0;
+ return 1;
+ }
+
+ assertEquals(0, foo(2));
+ assertEquals(1, foo(1));
+ %OptimizeFunctionOnNextCall(foo);
+ assertEquals(0, foo(2));
+ assertEquals(1, foo(1));
+ assertOptimized(foo);
+
+ // Now `foo` should stay optimized even if `x % 2` would
+ // produce -0, aka when we pass a negative value for `x`.
+ assertEquals(0, foo(-2));
+ assertEquals(1, foo(-1));
+ assertOptimized(foo);
+})();
diff --git a/implementation-contributed/v8/mjsunit/compiler/regress-7121.js b/implementation-contributed/v8/mjsunit/compiler/regress-7121.js
index 98c1a1ac19..bdf3133bb8 100644
--- a/implementation-contributed/v8/mjsunit/compiler/regress-7121.js
+++ b/implementation-contributed/v8/mjsunit/compiler/regress-7121.js
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --allow-natives-syntax --harmony-bigint
+// Flags: --allow-natives-syntax
function foo() { %_ToLength(42n) }
assertThrows(foo, TypeError);
diff --git a/implementation-contributed/v8/mjsunit/compiler/typed-array-constructor.js b/implementation-contributed/v8/mjsunit/compiler/typed-array-constructor.js
index a785eadf37..07d6a7ca4e 100644
--- a/implementation-contributed/v8/mjsunit/compiler/typed-array-constructor.js
+++ b/implementation-contributed/v8/mjsunit/compiler/typed-array-constructor.js
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --allow-natives-syntax --harmony-bigint
+// Flags: --allow-natives-syntax
const limit = %MaxSmi() + 1;
diff --git a/implementation-contributed/v8/mjsunit/es6/proxy-function-tostring.js b/implementation-contributed/v8/mjsunit/es6/proxy-function-tostring.js
index d859822df0..e151bf65b1 100644
--- a/implementation-contributed/v8/mjsunit/es6/proxy-function-tostring.js
+++ b/implementation-contributed/v8/mjsunit/es6/proxy-function-tostring.js
@@ -1,7 +1,6 @@
// 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: --noharmony-function-tostring
-assertThrows(() => new Proxy(function() {}, {}).toString(), TypeError);
+assertEquals(new Proxy(function() {}, {}).toString(),
+ 'function () { [native code] }');
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/add.js b/implementation-contributed/v8/mjsunit/harmony/bigint/add.js
index 5e986b3726..791db6a3b9 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/add.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/add.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: -0xc4043e2c4cc49e4d6870103ce7c2ff2d512bf4b1b67553ba410db514ee0af8888ad6cfn,
b: 0x2aae86de73ff479133a657a40d26e8dcf192019c7421836615ec34978bad93n,
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/and.js b/implementation-contributed/v8/mjsunit/harmony/bigint/and.js
index 7a68f8b3dc..a90ec22f51 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/and.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/and.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: 0x9252b94f220ded0c18706998886397699c5a25527575dn,
b: -0x286817ba2e8fd8n,
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/as-int-n.js b/implementation-contributed/v8/mjsunit/harmony/bigint/as-int-n.js
index 51b5073d24..154a0929e5 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/as-int-n.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/as-int-n.js
@@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --harmony-bigint
-
// BigInt.asIntN
{
assertEquals(2, BigInt.asIntN.length);
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/basics.js b/implementation-contributed/v8/mjsunit/harmony/bigint/basics.js
index b6318d5324..0368c69b52 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/basics.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/basics.js
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --allow-natives-syntax --harmony-bigint
+// Flags: --allow-natives-syntax
'use strict'
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/comparisons.js b/implementation-contributed/v8/mjsunit/harmony/bigint/comparisons.js
index 513131555a..abc7a8082a 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/comparisons.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/comparisons.js
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --allow-natives-syntax --harmony-bigint
+// Flags: --allow-natives-syntax
'use strict'
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/dataview.js b/implementation-contributed/v8/mjsunit/harmony/bigint/dataview.js
index 5ead649909..bad56d2b69 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/dataview.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/dataview.js
@@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --harmony-bigint
-
var buffer = new ArrayBuffer(64);
var dataview = new DataView(buffer, 8, 24);
var bytes = new Uint8Array(buffer);
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/dec.js b/implementation-contributed/v8/mjsunit/harmony/bigint/dec.js
index ddb0431cba..36ca2193de 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/dec.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/dec.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: 0x26ffcdbd233a53e7ca4612f2b02e1f2c1d885c3177e7n,
r: 0x26ffcdbd233a53e7ca4612f2b02e1f2c1d885c3177e6n
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/div.js b/implementation-contributed/v8/mjsunit/harmony/bigint/div.js
index 1eeea1184f..8b167140de 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/div.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/div.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: -0x1e0f357314bac34227333c0c2086430dae88cb538f161174888591n,
b: 0x390n,
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/exp.js b/implementation-contributed/v8/mjsunit/harmony/bigint/exp.js
index 54d5849373..7fbc2dc402 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/exp.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/exp.js
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --allow-natives-syntax --harmony-bigint
+// Flags: --allow-natives-syntax
assertEquals(1n, (-1n) ** 0n);
assertEquals(-1n, (-1n) ** 1n);
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/inc.js b/implementation-contributed/v8/mjsunit/harmony/bigint/inc.js
index 4ead89e1bf..7842600393 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/inc.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/inc.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: 0xb3df90n,
r: 0xb3df91n
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/json.js b/implementation-contributed/v8/mjsunit/harmony/bigint/json.js
index eb0eefc4bb..cf392234c5 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/json.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/json.js
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --allow-natives-syntax --harmony-bigint
+// Flags: --allow-natives-syntax
'use strict'
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/mod.js b/implementation-contributed/v8/mjsunit/harmony/bigint/mod.js
index c8cc7fa4fd..01f64ad4ca 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/mod.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/mod.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: 0xaed3c714bb42a73d708bcf1dc9a9deebadc913ef42bac6a6178a60n,
b: -0xf3d6bd1c059b79n,
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/mul.js b/implementation-contributed/v8/mjsunit/harmony/bigint/mul.js
index c6a9ae6148..77c3a1c9bb 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/mul.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/mul.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: 0x2bf1f236c2df29f7c99be052dfe1b69ae158d777fea487af889f6259f472c0n,
b: -0xae0090dfn,
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/neg.js b/implementation-contributed/v8/mjsunit/harmony/bigint/neg.js
index 2fedf297a5..15b2fb4ee0 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/neg.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/neg.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: 0xcn,
r: -0xcn
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/not.js b/implementation-contributed/v8/mjsunit/harmony/bigint/not.js
index 6b4b2eb713..27b6a78ba6 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/not.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/not.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: 0x9f0305cd75e4n,
r: -0x9f0305cd75e5n
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/or.js b/implementation-contributed/v8/mjsunit/harmony/bigint/or.js
index c378e141cd..3203258c21 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/or.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/or.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: 0x77a87n,
b: 0xde08e7433fb9584911b8cb4bc7eed802299b4489fc635974d063847da4e8b461df5dn,
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/regress-tonumbercode.js b/implementation-contributed/v8/mjsunit/harmony/bigint/regress-tonumbercode.js
index 4dedf4d27c..3bf0148c95 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/regress-tonumbercode.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/regress-tonumbercode.js
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --allow-natives-syntax --harmony-bigint
+// Flags: --allow-natives-syntax
function f(x, b) {
if (b) return Math.trunc(+(x))
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/regressions.js b/implementation-contributed/v8/mjsunit/harmony/bigint/regressions.js
index c1df45a1b1..8e13622eab 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/regressions.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/regressions.js
@@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --harmony-bigint
-
var a = 5n;
var b = a / -1n;
assertEquals(5n, a);
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/sar.js b/implementation-contributed/v8/mjsunit/harmony/bigint/sar.js
index f66115dcb6..66d2f2d268 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/sar.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/sar.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: 0x211a34fn,
b: 0xa6n,
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/shl.js b/implementation-contributed/v8/mjsunit/harmony/bigint/shl.js
index bedd785b54..0e7b402bc1 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/shl.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/shl.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: -0xe813d76adc0a177778c0c232c595e8572b783210f4a7009d7c1787n,
b: 0x9en,
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/sub.js b/implementation-contributed/v8/mjsunit/harmony/bigint/sub.js
index a1ff9b4bb3..21613f768a 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/sub.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/sub.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: 0xc4fd438551d58edn,
b: 0x91b42ee55a50d974an,
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/tonumber.js b/implementation-contributed/v8/mjsunit/harmony/bigint/tonumber.js
index d59e8429b8..a6f7d13b7e 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/tonumber.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/tonumber.js
@@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --harmony-bigint
-
function Check(bigint, number_string) {
var number = Number(bigint);
if (number_string.substring(0, 2) === "0x") {
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/turbo.js b/implementation-contributed/v8/mjsunit/harmony/bigint/turbo.js
index 4ce4880f3d..d0f00050c8 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/turbo.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/turbo.js
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --allow-natives-syntax --harmony-bigint
+// Flags: --allow-natives-syntax
'use strict'
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/typedarray.js b/implementation-contributed/v8/mjsunit/harmony/bigint/typedarray.js
index 29713b8a20..e530441dd4 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/typedarray.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/typedarray.js
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --harmony-bigint --allow-natives-syntax
+// Flags: --allow-natives-syntax
var intarray = new BigInt64Array(8);
var uintarray = new BigUint64Array(8);
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigint/xor.js b/implementation-contributed/v8/mjsunit/harmony/bigint/xor.js
index a934825bd9..cf32b65603 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigint/xor.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigint/xor.js
@@ -4,8 +4,6 @@
// Generated by tools/bigint-tester.py.
-// Flags: --harmony-bigint
-
var data = [{
a: -0x46505bec40d461c595b5e4be178b7d00n,
b: -0x9170e5437d4e3ec7c0971e2c6d3bbbd2929ff108ea4ee64f7a91aa367fn,
diff --git a/implementation-contributed/v8/mjsunit/harmony/bigintarray-keyedstore-tobigint.js b/implementation-contributed/v8/mjsunit/harmony/bigintarray-keyedstore-tobigint.js
index 29b44472c9..18ba0ff171 100644
--- a/implementation-contributed/v8/mjsunit/harmony/bigintarray-keyedstore-tobigint.js
+++ b/implementation-contributed/v8/mjsunit/harmony/bigintarray-keyedstore-tobigint.js
@@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --harmony-bigint
-
let TypedArrayConstructors = [
BigUint64Array,
BigInt64Array,
diff --git a/implementation-contributed/v8/mjsunit/harmony/function-tostring.js b/implementation-contributed/v8/mjsunit/harmony/function-tostring.js
index 4a7e93cd3b..2af14f16cf 100644
--- a/implementation-contributed/v8/mjsunit/harmony/function-tostring.js
+++ b/implementation-contributed/v8/mjsunit/harmony/function-tostring.js
@@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --harmony-function-tostring
-
var prefix = "/*before*/";
var suffix = "/*after*/";
diff --git a/implementation-contributed/v8/mjsunit/regress/regress-707066.js b/implementation-contributed/v8/mjsunit/regress/regress-707066.js
index b33b585ebd..b5d70c2e6b 100644
--- a/implementation-contributed/v8/mjsunit/regress/regress-707066.js
+++ b/implementation-contributed/v8/mjsunit/regress/regress-707066.js
@@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
-// Flags: --harmony-function-tostring
-
// There was a bug in CreateDynamicFunction where a stack overflow
// situation caused an assertion failure.
diff --git a/implementation-contributed/v8/mjsunit/string-trim.js b/implementation-contributed/v8/mjsunit/string-trim.js
index 201a34f1c9..587e7db5db 100644
--- a/implementation-contributed/v8/mjsunit/string-trim.js
+++ b/implementation-contributed/v8/mjsunit/string-trim.js
@@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --harmony-string-trimming
-
assertEquals('trim', String.prototype.trim.name);
assertEquals('trimStart', String.prototype.trimStart.name);
assertEquals('trimStart', String.prototype.trimLeft.name);
diff --git a/implementation-contributed/v8/test262/testcfg.py b/implementation-contributed/v8/test262/testcfg.py
index bb3114e64f..9c3f3404e1 100644
--- a/implementation-contributed/v8/test262/testcfg.py
+++ b/implementation-contributed/v8/test262/testcfg.py
@@ -42,7 +42,6 @@ from testrunner.outproc import test262
# TODO(littledan): move the flag mapping into the status file
FEATURE_FLAGS = {
- 'BigInt': '--harmony-bigint',
'class-fields-public': '--harmony-public-fields',
'class-static-fields-public': '--harmony-class-fields',
'Array.prototype.flat': '--harmony-array-flat',
--
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