Oliver Medhurst

Instead of needing the argument always, detect in PGO too.

Currently there are no tests to ensure 2c (a) doesn't crash (b) produces valid C. It would be good to have a test suite ran against it where it checks...

Closes #10108. - [ ] At least two implementers are interested (and none opposed): * Mozilla * … - [ ] [Tests](https://github.com/web-platform-tests/wpt) are written and can be reviewed and commented...

`Promise.try` is missing arguments

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### MDN URL https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/try ### What specific section or headline is this issue about? Syntax ### What information was incorrect, unhelpful, or incomplete? > `Promise.try(func)` > A function that is...

Float element blocks grid/flex/? layout below

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### Summary Having a flex or grid element with a `float: right` element before in the DOM tree seems to block the layout in the non-float element by moving the...

Type annotation as optimizations

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For this discussion, the soundness of types (ie not guaranteed at runtime only by tsc/etc) does not matter, we presume the types are good and have been validated by the...

Is `harness/typeCoercion.js` used?

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Probably missing something/somewhere but as far as I can tell it is not used?

[psa] test262.fyi v2 coming in ~June!

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hi all, this is to act as an informal psa/pseudo-mailing list for test262.fyi "v2"! good news: it is happening and will have big improvements due to both new infra and...

Very cool project! Could the script that generated the benchmark screenshots in the README.md be publicised so we can run it ourselves? Or could the methodology section be updated as...