[Webkit-unassigned] [Bug 103025] New: Web Inspector: NMI add instrumentation to DynamicNodeList classes hierarchy.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=103025

           Summary: Web Inspector: NMI add instrumentation to
                    DynamicNodeList classes hierarchy.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: loislo at chromium.org
                CC: keishi at webkit.org, pmuellr at yahoo.com,
                    pfeldman at chromium.org, yurys at chromium.org,
                    apavlov at chromium.org, loislo at chromium.org,
                    vsevik at chromium.org,
                    web-inspector-bugs at googlegroups.com


RNiwa changed pointer type in NodeRareData::NodeListAtomicNameCacheMap from the topmost DynamicSubtreeNodeList to the base DynamicNodeListCacheBase at r135429.
As a result we got non zero count of pointers that don't match with tcmalloc data, because DynamicNodeList uses multiple inheritance.
It could be fixed with help of explicit native memory instrumentation for DynamicNodeList class hierarchy.

Patch to follow.

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