[Webkit-unassigned] [Bug 146929] New: DFG should have adaptive structure watchpoints

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=146929

            Bug ID: 146929
           Summary: DFG should have adaptive structure watchpoints
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fpizlo at apple.com

If we want a singleton object to have, or not have, some property then we shouldn't deoptimize just because some other unrelated property was added (or removed).

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