1877862 - New test262 failures with AsyncFromSyncIteratorPrototype

Status: RESOLVED DUPLICATE of bug 1610315

(Core :: JavaScript Engine, defect, P3)

Description

[Dan Minor [:dminor]]

While updating test262 in Bug 1877822, I hit a handful of new failures with AsyncFromSyncIteratorPrototype tests:
test262/built-ins/AsyncFromSyncIteratorPrototype/throw/throw-undefined-poisoned-return.js
test262/built-ins/AsyncFromSyncIteratorPrototype/throw/throw-undefined-return-object.js
test262/built-ins/AsyncFromSyncIteratorPrototype/throw/throw-undefined-return-not-object.js
test262/built-ins/AsyncFromSyncIteratorPrototype/throw/throw-null.js
test262/built-ins/AsyncFromSyncIteratorPrototype/throw/throw-undefined.js
test262/built-ins/AsyncFromSyncIteratorPrototype/throw/throw-result-poisoned-wrapper.js
test262/built-ins/AsyncFromSyncIteratorPrototype/throw/iterator-result-rejected-promise-close.js
test262/built-ins/AsyncFromSyncIteratorPrototype/throw/throw-undefined-get-return-undefined.js
test262/built-ins/AsyncFromSyncIteratorPrototype/next/next-result-poisoned-wrapper.js
test262/built-ins/AsyncFromSyncIteratorPrototype/next/for-await-iterator-next-rejected-promise-close.js
test262/built-ins/AsyncFromSyncIteratorPrototype/next/yield-iterator-next-rejected-promise-close.js
test262/built-ins/AsyncFromSyncIteratorPrototype/next/for-await-next-rejected-promise-close.js
test262/built-ins/AsyncFromSyncIteratorPrototype/next/iterator-result-poisoned-wrapper.js
test262/built-ins/AsyncFromSyncIteratorPrototype/next/yield-next-rejected-promise-close.js

Comment 1

[bakkot]

Those tests (mostly, at least) correspond to https://github.com/tc39/ecma262/pull/2600. That PR has consensus but isn't landed yet because we've been waiting for implementations.

V8 has begun implementation; you can follow https://bugs.chromium.org/p/v8/issues/detail?id=12594.

Comment 2

[vadzim]

https://bugzilla.mozilla.org/show_bug.cgi?id=1610315

Comment 3

[vadzim]

bug 1610315