[Webkit-unassigned] [Bug 41920] Avoid slow-path for put() in Array.splice()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=41920


Andreas Kling <andreas.kling at nokia.com> changed:

           What    |Removed                     |Added
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  Attachment #61272|0                           |1
        is obsolete|                            |
  Attachment #61290|                            |review?, commit-queue?
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--- Comment #9 from Andreas Kling <andreas.kling at nokia.com>  2010-07-12 16:42:21 PST ---
Created an attachment (id=61290)
 --> (https://bugs.webkit.org/attachment.cgi?id=61290)
Proposed patch v3

Updated to address Darin's comments.

* Replaced constructor bool parameter with enum ArrayCreationMode { CreateCompactUninitialized, CreateInitialized }
* Added JSArray::uncheckedSetIndex(unsigned i, JSValue v)

I don't understand how we should initialize this array without looping though.

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