[Webkit-unassigned] [Bug 208324] New: CSSCalcOperationNode objects are leaking on CNN.com

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=208324

            Bug ID: 208324
           Summary: CSSCalcOperationNode objects are leaking on CNN.com
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cdumez at apple.com
                CC: koivisto at iki.fi, rniwa at webkit.org,
                    simon.fraser at apple.com

CSSCalcOperationNode objects are leaking on CNN.com.

Steps to reproduce:
1. Add some logging in CSSCalcOperationNode constructors / destructor with a static count to log how many objects are alive
2. Visit cnn.com and wait ~10 seconds
3. Navigate tab to about:blank
4. Send memory pressure signal (notifyutil -p org.WebKit.lowMemory)
-> Notice that some of the CSSCalcOperationNode stay around (but many of them do get destroyed)

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