Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 6e8fef40092d06a84de870150952f169c94bd953
https://github.com/WebKit/WebKit/commit/6e8fef40092d06a84de870150952f169c94bd953
Author: Sosuke Suzuki <[email protected]>
Date: 2025-02-23 (Sun, 23 Feb 2025)
Changed paths:
A JSTests/stress/iterator-helpers-close-for-invalid-argument.js
M JSTests/test262/expectations.yaml
M Source/JavaScriptCore/builtins/JSIteratorPrototype.js
M Source/JavaScriptCore/runtime/JSIteratorPrototype.cpp
Log Message:
-----------
[JSC] Close Iterator Helpers underlying iterator when arguments are invalid
https://bugs.webkit.org/show_bug.cgi?id=284709
Reviewed by Yusuke Suzuki.
The normative change[1] that requires closing underlying iterators when
argument validation fails for iterator helpers reached consensus at the
TC39 meeting in December 2024[2].
This patch implements it.
[1]: https://github.com/tc39/ecma262/pull/3467
[2]: https://github.com/tc39/agendas/blob/main/2024/12.md
* JSTests/stress/iterator-helpers-close-for-invalid-argument.js: Added.
(shouldThrow):
(shouldBe):
(throw.new.Error.let.closable.get next):
(throw.new.Error):
(shouldBe.let.closable.get next):
(shouldBe.OurError):
(let.closable.get next):
(shouldBe.get shouldBe):
(OurError):
(get shouldBe):
* Source/JavaScriptCore/builtins/JSIteratorPrototype.js:
(some.wrapper.iterator):
(some):
(every.wrapper.iterator):
(every):
(find.wrapper.iterator):
(find):
(reduce):
Canonical link: https://commits.webkit.org/290907@main
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