Update Test262 tests

third_party/test262/test/built-ins/Temporal/Duration/prototype/round/rounding-increment-relativeto.js

@@ -39,8 +39,3 @@ TemporalHelpers.assertDuration(new Temporal.Duration(0, 1, 0, 30).round({
   roundingIncrement: 2,
   relativeTo: new Temporal.PlainDate(1970, 7, 31)
 }), 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, `1m30d to 2m with relativeTo 1970-07-31`);
-TemporalHelpers.assertDuration(new Temporal.Duration(0, 1, 0, 30).round({
-  smallestUnit: "months",
-  roundingIncrement: 2,
-  relativeTo: Temporal.ZonedDateTime.from('2025-03-09T03:00:00-07:00[America/Vancouver]')
-}), 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, `1m30d to 2m with relativeTo 2025-03-09T03:00:00-07:00[America/Vancouver]`);

third_party/test262/test/intl402/Temporal/Duration/prototype/round/rounding-increment-relativeto.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2026 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.duration.prototype.round
+description: Test a specific buggy case from temporal_rs
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const relativeTo = Temporal.ZonedDateTime.from('2025-03-09T03:00:00-07:00[America/Vancouver]');
+TemporalHelpers.assertDuration(new Temporal.Duration(0, 1, 0, 30).round({
+  smallestUnit: "months",
+  roundingIncrement: 2,
+  relativeTo,
+}), 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, `1m30d to 2m with relativeTo 2025-03-09T03:00:00-07:00[America/Vancouver]`);

third_party/test262/test/staging/sm/Atomics/cross-compartment.js

@@ -5,6 +5,7 @@
 description: |
   pending
 esid: pending
+features: [Atomics, SharedArrayBuffer]
 ---*/
 
 const otherGlobal = $262.createRealm().global;
@@ -111,4 +112,3 @@ for (let TA of intArrayConstructors) {
   assert.sameValue(val, 3);
   assert.sameValue(ta[0], 2);
 }
-

third_party/test262/test/staging/sm/Atomics/detached-buffers.js

@@ -6,6 +6,7 @@ includes: [detachArrayBuffer.js]
 description: |
   pending
 esid: pending
+features: [Atomics]
 ---*/
 
 const intArrayConstructors = [
@@ -97,4 +98,3 @@ for (let TA of intArrayConstructors) {
   assert.throws(TypeError, () => Atomics.xor(ta, badValue(ta), 0));
   assert.throws(TypeError, () => Atomics.xor(ta, 0, badValue(ta)));
 }
-

third_party/test262/test/staging/sm/TypedArray/sort-negative-nan.js

@@ -6,6 +6,7 @@ includes: [sm/non262-TypedArray-shell.js]
 description: |
   pending
 esid: pending
+features: [Float16Array, Float32Array, Float64Array]
 ---*/
 // Test with all floating point typed arrays.
 const floatConstructors = anyTypedArrayConstructors.filter(isFloatConstructor);
@@ -136,4 +137,3 @@ for (const [TA, taLength] of prod(floatConstructors, typedArrayLengths)) {
         assert.sameValue(fta[nanOffset + i], NaN, `At offset: ${nanOffset + i}`);
     }
 }
-

third_party/test262/test/staging/sm/TypedArray/toString.js

@@ -6,6 +6,7 @@ includes: [sm/non262-TypedArray-shell.js, propertyHelper.js]
 description: |
   pending
 esid: pending
+features: [Float16Array]
 ---*/
 const TypedArrayPrototype = Object.getPrototypeOf(Int8Array.prototype);
 

third_party/test262/vendored.toml

@@ -1,3 +1,3 @@
 [test262]
 source = "https://github.com/tc39/test262"
-rev = "b66872a92487694396fb082343e08dd7cca5ddf4"
+rev = "4a1e96230008fe27367233f7e4947ace176aac5a"