[webkit-reviews] review canceled: [Bug 96227] DFG misses arguments tear-off for function.arguments if 'arguments' is used : [Attachment 163039] Patch

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Sep 9 22:11:00 PDT 2012


Geoffrey Garen <ggaren at apple.com> has canceled Geoffrey Garen
<ggaren at apple.com>'s request for review:
Bug 96227: DFG misses arguments tear-off for function.arguments if 'arguments'
is used
https://bugs.webkit.org/show_bug.cgi?id=96227

Attachment 163039: Patch
https://bugs.webkit.org/attachment.cgi?id=163039&action=review

------- Additional Comments from Geoffrey Garen <ggaren at apple.com>
Uploading for discussion.

This patch eliminates aliasing of the local 'arguments' property, and makes
function.arguments always tear off.

Another way to fix this bug, and keep our current behavior without regression,
is to use watchpoints.


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