[webkit-reviews] review requested: [Bug 142933] Redefining a property should not change its insertion index (Object.keys order) : [Attachment 398787] Patch

[bugzilla-daemon at webkit.org]

Alexey Shvayka <shvaikalesh at gmail.com> has asked  for review:
Bug 142933: Redefining a property should not change its insertion index
(Object.keys order)
https://bugs.webkit.org/show_bug.cgi?id=142933

Attachment 398787: Patch

https://bugs.webkit.org/attachment.cgi?id=398787&action=review




--- Comment #9 from Alexey Shvayka <shvaikalesh at gmail.com> ---
Created attachment 398787

  --> https://bugs.webkit.org/attachment.cgi?id=398787&action=review

Patch

Bring back DeletePropertyMode, always call attributeChangeTransition(), add
tests and microbenchmarks.