[Webkit-unassigned] [Bug 20204] New: Assertion failure in addChildNodesToDeletionQueue() (!n->m_deletionHasBegun) during garbage collection

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=20204

           Summary: Assertion failure in addChildNodesToDeletionQueue() (!n-
                    >m_deletionHasBegun) during garbage collection
           Product: WebKit
           Version: 526+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.5
            Status: NEW
          Keywords: LayoutTestFailure
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mitz at webkit.org


Hit this while running the layout tests.

0   com.apple.WebCore                   0x030407fc
WebCore::ContainerNode::addChildNodesToDeletionQueue(WebCore::Node*&,
WebCore::Node*&, WebCore::ContainerNode*) + 90 (ContainerNode.cpp:65)
1   com.apple.WebCore                   0x030409cc
WebCore::ContainerNode::removeAllChildren() + 216 (ContainerNode.cpp:113)
2   com.apple.WebCore                   0x0312c409
WebCore::Document::removedLastRef() + 267 (Document.cpp:378)
3   com.apple.WebCore                   0x02f6fb4b
WebCore::TreeShared<WebCore::Node>::deref() + 219 (TreeShared.h:69)
4   com.apple.WebCore                   0x02f99827
WTF::RefPtr<WebCore::Node>::~RefPtr() + 31
5   com.apple.WebCore                   0x0334d412 WebCore::JSNode::~JSNode() +
92
6   com.apple.WebCore                   0x032c961c
WebCore::JSEventTargetNode::~JSEventTargetNode() + 40
7   com.apple.WebCore                   0x032f8cdb
WebCore::JSDocument::~JSDocument() + 57
8   com.apple.WebCore                   0x03311708
WebCore::JSHTMLDocument::~JSHTMLDocument() + 38
9   com.apple.JavaScriptCore            0x00336791 unsigned long
KJS::Heap::sweep<(KJS::Heap::HeapType)0>() + 355
10  com.apple.JavaScriptCore            0x002f5cd2 KJS::Heap::collect() + 458
(collector.cpp:947)
11  com.apple.WebCore                   0x031ee8bb
WebCore::GCController::gcTimerFired(WebCore::Timer<WebCore::GCController>*) +
41 (GCController.cpp:73)
12  com.apple.WebCore                   0x031eead5
WebCore::Timer<WebCore::GCController>::fired() + 89 (Timer.h:99)
13  com.apple.WebCore                   0x035da8ed
WebCore::TimerBase::fireTimers(double, WTF::Vector<WebCore::TimerBase*, 0ul>
const&) + 221 (Timer.cpp:350)
14  com.apple.WebCore                   0x035da97c
WebCore::TimerBase::sharedTimerFired() + 110 (Timer.cpp:370)
15  com.apple.WebCore                   0x035b402b
__ZN7WebCoreL10timerFiredEP16__CFRunLoopTimerPv + 78 (SharedTimerMac.mm:85)
16  com.apple.CoreFoundation            0x914ff3ab __CFRunLoopRun + 6427
17  com.apple.CoreFoundation            0x914ffc59 CFRunLoopRunSpecific + 1065
18  com.apple.CoreFoundation            0x914ffcf1 CFRunLoopRunInMode + 97
19  com.apple.Foundation                0x945a8115 -[NSRunLoop(NSRunLoop)
runMode:beforeDate:] + 213
20  DumpRenderTree                      0x0000614a __ZL7runTestPKc + 934
21  DumpRenderTree                      0x000064fc __ZL20runTestingServerLoopv
+ 75
22  DumpRenderTree                      0x000066a1 dumpRenderTree(int, char
const**) + 209
23  DumpRenderTree                      0x00006857 main + 94
(DumpRenderTree.mm:532)
24  DumpRenderTree                      0x00002d75 start + 53


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