[webkit-reviews] review requested: [Bug 65954] DFG JIT heap prediction causes regressions when combined with aggressive integer prediction : [Attachment 103430] the patch

[bugzilla-daemon at webkit.org]

Filip Pizlo <fpizlo at apple.com> has asked  for review:
Bug 65954: DFG JIT heap prediction causes regressions when combined with
aggressive integer prediction
https://bugs.webkit.org/show_bug.cgi?id=65954

Attachment 103430: the patch
https://bugs.webkit.org/attachment.cgi?id=103430&action=review

------- Additional Comments from Filip Pizlo <fpizlo at apple.com>
This improves performance on v8-crypto by 20%, bringing us back to where we
were before we regressed.  It does *not* remove the heap load prediction
capability; it merely disables it, making it easier to reenable it if we figure
out what is going wrong.