[Webkit-unassigned] [Bug 6818] New: garbage collect a bit later when destroying Frame (fixes node leak false positives)

[bugzilla-daemon at opendarwin.org]

http://bugzilla.opendarwin.org/show_bug.cgi?id=6818

           Summary: garbage collect a bit later when destroying Frame (fixes
                    node leak false positives)
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.0
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Frames
        AssignedTo: webkit-unassigned at opendarwin.org
        ReportedBy: mjs at apple.com


Frame clears the properties of the window object and garbage collects every
time you change documents. This is good, because you don't want to leak custom
properties to the next document, and because much garbage will be created when
the properties are cleared.

However, it also does this on destruction. That's suboptimal, because the
window object itself (and everything it keeps alive) will become collectable
after the ScriptInterpreter is destroyed. So the clearing is a waste of time,
and the garbage collection would be better done later.

On top of all that, this causes false positives from the NodeImpl leak counter.


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