Bug 73838 – Several tests crashing in recent Mac10.5 dbg builds

• Status: RESOLVED
• Resolution: FIXED
• Component: Tools / Tests

[Vincent Scheib]

The following layout test is crashing on Chromium Mac10.5(dbg)

animations/animation-add-events-in-handler.html

http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=animations%2Fanimation-add-events-in-handler.html

Probable cause:
Two bots reporting crashes don't agree on when it started:
At WebKit revision: 101983
At Chrome revision: 112973
CG bot:
At WebKit revision: 101987
At Chrome revision: 112974


Stack Trace:

Process:         DumpRenderTree [9806]
Path:            /b/build/slave/Webkit_Mac10_5__dbg__1_/build/src/xcodebuild/Debug/DumpRenderTree.app/Contents/MacOS/DumpRenderTree
Identifier:      DumpRenderTree
Version:         ??? (???)
Code Type:       X86 (Native)
Parent Process:  Python [9760]

Date/Time:       2011-09-21 14:38:29.513 -0700
OS Version:      Mac OS X 10.5.8 (9L31a)
Report Version:  6
Anonymous UUID:  A6679934-EDBE-4B74-9303-56CA60055BE1

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_PROTECTION_FAILURE at 0x00000000beefcafe
Crashed Thread:  0

Thread 0 Crashed:
0   DumpRenderTree                	0x4cec19f4 GrGpu::finalizeReservedVertices() + 86
1   DumpRenderTree                	0x4cec8791 GrGpuGL::setBuffers(bool, int*, int*) + 193
2   DumpRenderTree                	0x4ced7376 GrGpuGLShaders::setupGeometry(int*, int*, int, int) + 204
3   DumpRenderTree                	0x4cec280e GrGpu::onDrawNonIndexed(GrPrimitiveType, int, int) + 190
4   DumpRenderTree                	0x4ceadfa9 GrDrawTarget::drawNonIndexed(GrPrimitiveType, int, int) + 271
5   DumpRenderTree                	0x4ceafb6d GrDrawTarget::drawRect(SkRect const&, SkMatrix const*, int, SkRect const**, SkMatrix const**) + 249
6   DumpRenderTree                	0x4cea7d07 GrDrawTarget::drawSimpleRect(SkRect const&, SkMatrix const*, int) + 107
7   DumpRenderTree                	0x4cea08f3 GrContext::convolve(GrTexture*, SkRect const&, float*, float const*, int) + 501
8   DumpRenderTree                	0x4cea09b6 GrContext::convolveInY(GrTexture*, SkRect const&, float const*, int) + 152
9   DumpRenderTree                	0x4cfcd3bd __ZL21drawWithGPUMaskFilterP9GrContextRK6SkPathP12SkMaskFilterRK8SkMatrixRK8SkRegionP9SkBounderP7GrPaint + 3307
10  DumpRenderTree                	0x4cfd025f SkGpuDevice::drawPath(SkDraw const&, SkPath const&, SkPaint const&, SkMatrix const*, bool) + 857
11  DumpRenderTree                	0x4cfd06b2 SkGpuDevice::drawRect(SkDraw const&, SkRect const&, SkPaint const&) + 600
12  DumpRenderTree                	0x4cf2d13c SkCanvas::drawRect(SkRect const&, SkPaint const&) + 310
13  DumpRenderTree                	0x4e28dab6 WebCore::GraphicsContext::fillRect(WebCore::FloatRect const&) + 334
14  DumpRenderTree                	0x4e038ab5 WebCore::CanvasRenderingContext2D::fillRect(float, float, float, float) + 359
15  DumpRenderTree                	0x4edf7c35 __ZN7WebCore32CanvasRenderingContext2DInternalL16fillRectCallbackERKN2v89ArgumentsE + 659
16  ???                           	0x1889b1ea 0 + 411677162
17  ???                           	0x1889b704 0 + 411678468
18  ???                           	0x18ecc3c4 0 + 418169796
19  ???                           	0x000a9b01 0 + 695041
20  ???                           	0x000b9df3 0 + 761331
21  ???                           	0x000ac206 0 + 705030
22  DumpRenderTree                	0x4d40a666 __ZN2v88internalL6InvokeEbNS0_6HandleINS0_10JSFunctionEEENS1_INS0_6ObjectEEEiPPPS4_Pb + 528
23  DumpRenderTree                	0x4d40af94 v8::internal::Execution::Call(v8::internal::Handle<v8::internal::Object>, v8::internal::Handle<v8::internal::Object>, int, v8::internal::Object***, bool*, bool) + 514
24  DumpRenderTree                	0x4d371a2f v8::Function::Call(v8::Handle<v8::Object>, int, v8::Handle<v8::Value>*) + 497
25  DumpRenderTree                	0x4e3d89be WebCore::V8Proxy::instrumentedCallFunction(WebCore::Page*, v8::Handle<v8::Function>, v8::Handle<v8::Object>, int, v8::Handle<v8::Value>*) + 336
26  DumpRenderTree                	0x4e3d8bc9 WebCore::V8Proxy::callFunction(v8::Handle<v8::Function>, v8::Handle<v8::Object>, int, v8::Handle<v8::Value>*) + 335
27  DumpRenderTree                	0x4e3c10e2 WebCore::V8EventListener::callListenerFunction(WebCore::ScriptExecutionContext*, v8::Handle<v8::Value>, WebCore::Event*) + 274
28  DumpRenderTree                	0x4e3ac069 WebCore::V8AbstractEventListener::invokeEventHandler(WebCore::ScriptExecutionContext*, WebCore::Event*, v8::Handle<v8::Value>) + 449
29  DumpRenderTree                	0x4e3ac7da WebCore::V8AbstractEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) + 372
30  DumpRenderTree                	0x4dec6af2 WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1ul>&) + 354
31  DumpRenderTree                	0x4dec738f WebCore::EventTarget::fireEventListeners(WebCore::Event*) + 331
32  DumpRenderTree                	0x4e85abca WebCore::DOMWindow::dispatchEvent(WTF::PassRefPtr<WebCore::Event>, WTF::PassRefPtr<WebCore::EventTarget>) + 306
33  DumpRenderTree                	0x4e85ad1f WebCore::DOMWindow::dispatchTimedEvent(WTF::PassRefPtr<WebCore::Event>, WebCore::Document*, double*, double*) + 271
34  DumpRenderTree                	0x4e85aef5 WebCore::DOMWindow::dispatchLoadEvent() + 411
35  DumpRenderTree                	0x4de3cfed WebCore::Document::dispatchWindowLoadEvent() + 139
36  DumpRenderTree                	0x4de404aa WebCore::Document::implicitClose() + 446
37  DumpRenderTree                	0x4e7b2931 WebCore::FrameLoader::checkCallImplicitClose() + 175
38  DumpRenderTree                	0x4e7b577f WebCore::FrameLoader::checkCompleted() + 297
39  DumpRenderTree                	0x4e7b6207 WebCore::FrameLoader::loadDone() + 45
40  DumpRenderTree                	0x4e81fc69 WebCore::CachedResourceLoader::loadDone() + 99
41  DumpRenderTree                	0x4e829520 WebCore::CachedResourceRequest::end() + 48
42  DumpRenderTree                	0x4e82a150 WebCore::CachedResourceRequest::didFinishLoading(WebCore::SubresourceLoader*, double) + 570
43  DumpRenderTree                	0x4e7f0611 WebCore::SubresourceLoader::didFinishLoading(double) + 225
44  DumpRenderTree                	0x4e7ea6d5 WebCore::ResourceLoader::didFinishLoading(WebCore::ResourceHandle*, double) + 199
45  DumpRenderTree                	0x4c9e05d8 WebCore::ResourceHandleInternal::didFinishLoading(WebKit::WebURLLoader*, double) + 248
46  DumpRenderTree                	0x4f4e1a3c webkit_glue::WebURLLoaderImpl::Context::OnCompletedRequest(net::URLRequestStatus const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, base::Time const&) + 832 (weburlloader_impl.cc:636)
47  DumpRenderTree                	0x4f5c35c9 (anonymous namespace)::RequestProxy::NotifyCompletedRequest(net::URLRequestStatus const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, base::Time const&) + 107 (simple_resource_loader_bridge.cc:290)
48  DumpRenderTree                	0x4f5c4007 void DispatchToMethod<(anonymous namespace)::RequestProxy, void ((anonymous namespace)::RequestProxy::*)(net::URLRequestStatus const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, base::Time const&), net::URLRequestStatus, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, base::Time>((anonymous namespace)::RequestProxy*, void ((anonymous namespace)::RequestProxy::*)(net::URLRequestStatus const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, base::Time const&), Tuple3<net::URLRequestStatus, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, base::Time> const&) + 121
49  DumpRenderTree                	0x4f5c4072 RunnableMethod<(anonymous namespace)::RequestProxy, void ((anonymous namespace)::RequestProxy::*)(net::URLRequestStatus const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, base::Time const&), Tuple3<net::URLRequestStatus, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, base::Time> >::Run() + 80 (task.h:348)
50  DumpRenderTree                	0x4ce57aa6 base::subtle::TaskClosureAdapter::Run() + 58 (task.cc:57)
51  DumpRenderTree                	0x4cde3b30 base::internal::Invoker1<false, base::internal::InvokerStorage1<void (base::subtle::TaskClosureAdapter::*)(), base::subtle::TaskClosureAdapter*>, void (base::subtle::TaskClosureAdapter::*)()>::DoInvoke(base::internal::InvokerStorageBase*) + 122
52  DumpRenderTree                	0x4cde3014 base::Callback<void ()()>::Run() const + 62
53  DumpRenderTree                	0x4cddee1d MessageLoop::RunTask(MessageLoop::PendingTask const&) + 413
54  DumpRenderTree                	0x4cddef73 MessageLoop::DeferOrRunPendingTask(MessageLoop::PendingTask const&) + 85
55  DumpRenderTree                	0x4cddf2af MessageLoop::DoWork() + 271
56  DumpRenderTree                	0x4cd7d9cd base::MessagePumpCFRunLoopBase::RunWork() + 105
57  DumpRenderTree                	0x4cd7dbe1 base::MessagePumpCFRunLoopBase::RunWorkSource(void*) + 51
58  com.apple.CoreFoundation      	0x914683c5 CFRunLoopRunSpecific + 3141
59  com.apple.CoreFoundation      	0x91468aa8 CFRunLoopRunInMode + 88
60  com.apple.HIToolbox           	0x9054f2ac RunCurrentEventLoopInMode + 283
61  com.apple.HIToolbox           	0x9054f0c5 ReceiveNextEventCommon + 374
62  com.apple.HIToolbox           	0x9054ef39 BlockUntilNextEventMatchingListInMode + 106
63  com.apple.AppKit              	0x937c66d5 _DPSNextEvent + 657
64  com.apple.AppKit              	0x937c5f88 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 128
65  com.apple.AppKit              	0x937bef9f -[NSApplication run] + 795
66  DumpRenderTree                	0x4cd7d1a0 base::MessagePumpNSApplication::DoRun(base::MessagePump::Delegate*) + 304
67  DumpRenderTree                	0x4cd7d6c3 base::MessagePumpCFRunLoopBase::Run(base::MessagePump::Delegate*) + 177
68  DumpRenderTree                	0x4cde048f MessageLoop::RunInternal() + 245
69  DumpRenderTree                	0x4cde04d9 MessageLoop::RunHandler() + 45
70  DumpRenderTree                	0x4cde05a5 MessageLoop::Run() + 63
71  DumpRenderTree                	0x4cbc08d7 webkit_support::RunMessageLoop() + 41 (webkit_support.cc:398)
72  DumpRenderTree                	0x4c967666 TestShell::waitTestFinished() + 364 (TestShellMac.mm:121)
73  DumpRenderTree                	0x4c95e1f6 TestShell::runFileTest(TestParams const&) + 684 (TestShell.cpp:236)
74  DumpRenderTree                	0x4c9249d5 __ZL7runTestR9TestShellR10TestParamsRKSsb + 1069
75  DumpRenderTree                	0x4c9254c5 main + 2741 (DumpRenderTree.cpp:256)
76  DumpRenderTree                	0x4c90c4b6 start + 54

Thread 1:
0   libSystem.B.dylib             	0x90c3e34e __semwait_signal + 10
1   libSystem.B.dylib             	0x90c68ccd pthread_cond_wait$UNIX2003 + 73
2   DumpRenderTree                	0x4ce44f12 base::ConditionVariable::Wait() + 84
3   DumpRenderTree                	0x4ce47acd base::WaitableEvent::TimedWait(base::TimeDelta const&) + 697
4   DumpRenderTree                	0x4ce47b44 base::WaitableEvent::Wait() + 78
5   DumpRenderTree                	0x4cdefae0 base::MessagePumpDefault::Run(base::MessagePump::Delegate*) + 552
6   DumpRenderTree                	0x4cde048f MessageLoop::RunInternal() + 245
7   DumpRenderTree                	0x4cde04d9 MessageLoop::RunHandler() + 45
8   DumpRenderTree                	0x4cde05a5 MessageLoop::Run() + 63
9   DumpRenderTree                	0x4ce59cc1 base::Thread::Run(MessageLoop*) + 51 (thread.cc:129)
10  DumpRenderTree                	0x4ce59b37 base::Thread::ThreadMain() + 279 (thread.cc:166)
11  DumpRenderTree                	0x4ce597dd base::(anonymous namespace)::ThreadFunc(void*) + 103
12  libSystem.B.dylib             	0x90c68055 _pthread_start + 321
13  libSystem.B.dylib             	0x90c67f12 thread_start + 34

Thread 2:
0   libSystem.B.dylib             	0x90c3e34e __semwait_signal + 10
1   libSystem.B.dylib             	0x90c3e116 usleep$UNIX2003 + 61
2   DumpRenderTree                	0x4d7d273d v8::internal::OS::Sleep(int) + 51 (platform-macos.cc:174)
3   DumpRenderTree                	0x4d7d439d v8::internal::SamplerThread::Run() + 173 (platform-macos.cc:678)
4   DumpRenderTree                	0x4d7d1ac0 __ZN2v88internalL11ThreadEntryEPv + 144 (platform-macos.cc:430)
5   libSystem.B.dylib             	0x90c68055 _pthread_start + 321
6   libSystem.B.dylib             	0x90c67f12 thread_start + 34

Thread 3:
0   libSystem.B.dylib             	0x90c678c6 kevent + 10
1   DumpRenderTree                	0x4ce8f9b2 event_base_loop + 324 (event.c:516)
2   DumpRenderTree                	0x4cd781cf base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) + 725
3   DumpRenderTree                	0x4cde048f MessageLoop::RunInternal() + 245
4   DumpRenderTree                	0x4cde04d9 MessageLoop::RunHandler() + 45
5   DumpRenderTree                	0x4cde05a5 MessageLoop::Run() + 63
6   DumpRenderTree                	0x4ce59cc1 base::Thread::Run(MessageLoop*) + 51 (thread.cc:129)
7   DumpRenderTree                	0x4ce59b37 base::Thread::ThreadMain() + 279 (thread.cc:166)
8   DumpRenderTree                	0x4ce597dd base::(anonymous namespace)::ThreadFunc(void*) + 103
9   libSystem.B.dylib             	0x90c68055 _pthread_start + 321
10  libSystem.B.dylib             	0x90c67f12 thread_start + 34

Thread 4:
0   libSystem.B.dylib             	0x90c678c6 kevent + 10
1   DumpRenderTree                	0x4ce8f9b2 event_base_loop + 324 (event.c:516)
2   DumpRenderTree                	0x4cd78319 base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) + 1055
3   DumpRenderTree                	0x4cde048f MessageLoop::RunInternal() + 245
4   DumpRenderTree                	0x4cde04d9 MessageLoop::RunHandler() + 45
5   DumpRenderTree                	0x4cde05a5 MessageLoop::Run() + 63
6   DumpRenderTree                	0x4ce59cc1 base::Thread::Run(MessageLoop*) + 51 (thread.cc:129)
7   DumpRenderTree                	0x4ce59b37 base::Thread::ThreadMain() + 279 (thread.cc:166)
8   DumpRenderTree                	0x4ce597dd base::(anonymous namespace)::ThreadFunc(void*) + 103
9   libSystem.B.dylib             	0x90c68055 _pthread_start + 321
10  libSystem.B.dylib             	0x90c67f12 thread_start + 34

Thread 5:
0   libSystem.B.dylib             	0x90c37166 mach_msg_trap + 10
1   libSystem.B.dylib             	0x90c3e95c mach_msg + 72
2   com.apple.CoreFoundation      	0x91467e7e CFRunLoopRunSpecific + 1790
3   com.apple.CoreFoundation      	0x91468aa8 CFRunLoopRunInMode + 88
4   com.apple.Foundation          	0x976e23d5 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 213
5   DumpRenderTree                	0x4cd7ce83 base::MessagePumpNSRunLoop::DoRun(base::MessagePump::Delegate*) + 145
6   DumpRenderTree                	0x4cd7d6c3 base::MessagePumpCFRunLoopBase::Run(base::MessagePump::Delegate*) + 177
7   DumpRenderTree                	0x4cde048f MessageLoop::RunInternal() + 245
8   DumpRenderTree                	0x4cde04d9 MessageLoop::RunHandler() + 45
9   DumpRenderTree                	0x4cde05a5 MessageLoop::Run() + 63
10  DumpRenderTree                	0x4ce59cc1 base::Thread::Run(MessageLoop*) + 51 (thread.cc:129)
11  DumpRenderTree                	0x4ce59b37 base::Thread::ThreadMain() + 279 (thread.cc:166)
12  DumpRenderTree                	0x4ce597dd base::(anonymous namespace)::ThreadFunc(void*) + 103
13  libSystem.B.dylib             	0x90c68055 _pthread_start + 321
14  libSystem.B.dylib             	0x90c67f12 thread_start + 34

Thread 6:
0   libSystem.B.dylib             	0x90c3e34e __semwait_signal + 10
1   libSystem.B.dylib             	0x90c68ccd pthread_cond_wait$UNIX2003 + 73
2   DumpRenderTree                	0x4ce44f12 base::ConditionVariable::Wait() + 84
3   DumpRenderTree                	0x4ce47acd base::WaitableEvent::TimedWait(base::TimeDelta const&) + 697
4   DumpRenderTree                	0x4ce47b44 base::WaitableEvent::Wait() + 78
5   DumpRenderTree                	0x4cdefae0 base::MessagePumpDefault::Run(base::MessagePump::Delegate*) + 552
6   DumpRenderTree                	0x4cde048f MessageLoop::RunInternal() + 245
7   DumpRenderTree                	0x4cde04d9 MessageLoop::RunHandler() + 45
8   DumpRenderTree                	0x4cde05a5 MessageLoop::Run() + 63
9   DumpRenderTree                	0x4ce59cc1 base::Thread::Run(MessageLoop*) + 51 (thread.cc:129)
10  DumpRenderTree                	0x4ce59b37 base::Thread::ThreadMain() + 279 (thread.cc:166)
11  DumpRenderTree                	0x4ce597dd base::(anonymous namespace)::ThreadFunc(void*) + 103
12  libSystem.B.dylib             	0x90c68055 _pthread_start + 321
13  libSystem.B.dylib             	0x90c67f12 thread_start + 34

Thread 7:
0   libSystem.B.dylib             	0x90c3e34e __semwait_signal + 10
1   libSystem.B.dylib             	0x90c8e908 pthread_cond_timedwait$UNIX2003 + 72
2   DumpRenderTree                	0x4ce44de5 base::ConditionVariable::TimedWait(base::TimeDelta const&) + 551
3   DumpRenderTree                	0x4ce5cf00 base::PosixDynamicThreadPool::WaitForTask() + 312 (worker_pool_posix.cc:196)
4   DumpRenderTree                	0x4ce5dcf4 base::(anonymous namespace)::WorkerThread::ThreadMain() + 136 (worker_pool_posix.cc:83)
5   DumpRenderTree                	0x4ce597dd base::(anonymous namespace)::ThreadFunc(void*) + 103
6   libSystem.B.dylib             	0x90c68055 _pthread_start + 321
7   libSystem.B.dylib             	0x90c67f12 thread_start + 34

Thread 8:
0   libSystem.B.dylib             	0x90c3e34e __semwait_signal + 10
1   libSystem.B.dylib             	0x90c8e908 pthread_cond_timedwait$UNIX2003 + 72
2   DumpRenderTree                	0x4ce44de5 base::ConditionVariable::TimedWait(base::TimeDelta const&) + 551
3   DumpRenderTree                	0x4ce5cf00 base::PosixDynamicThreadPool::WaitForTask() + 312 (worker_pool_posix.cc:196)
4   DumpRenderTree                	0x4ce5dcf4 base::(anonymous namespace)::WorkerThread::ThreadMain() + 136 (worker_pool_posix.cc:83)
5   DumpRenderTree                	0x4ce597dd base::(anonymous namespace)::ThreadFunc(void*) + 103
6   libSystem.B.dylib             	0x90c68055 _pthread_start + 321
7   libSystem.B.dylib             	0x90c67f12 thread_start + 34

Thread 9:
0   DumpRenderTree                	0x4cee88fd GrResourceEntry::next() const + 25
1   DumpRenderTree                	0x4cee72dd __ZL12countMatchesPK15GrResourceEntryS1_ + 77
2   DumpRenderTree                	0x4cee7be6 GrResourceCache::validate() const + 1108
3   DumpRenderTree                	0x4cee9d41 GrAutoResourceCacheValidate::GrAutoResourceCacheValidate(GrResourceCache*) + 59
4   DumpRenderTree                	0x4cee7e9a GrResourceCache::purgeAsNeeded() + 104
5   DumpRenderTree                	0x4cee804f GrResourceCache::removeAll() + 125
6   DumpRenderTree                	0x4cea6ac7 GrContext::contextDestroyed() + 237
7   DumpRenderTree                	0x4c9c338e WebCore::GraphicsContext3DPrivate::~GraphicsContext3DPrivate() + 64
8   DumpRenderTree                	0x4c9c6a89 void WTF::deleteOwnedPtr<WebCore::GraphicsContext3DPrivate>(WebCore::GraphicsContext3DPrivate*) + 57
9   DumpRenderTree                	0x4c9c6add WTF::OwnPtr<WebCore::GraphicsContext3DPrivate>::~OwnPtr() + 47
10  DumpRenderTree                	0x4c9c3504 WebCore::GraphicsContext3D::~GraphicsContext3D() + 220
11  DumpRenderTree                	0x4ca7bed3 WTF::RefCounted<WebCore::GraphicsContext3D>::deref() + 67
12  DumpRenderTree                	0x4ca7bf33 void WTF::derefIfNotNull<WebCore::GraphicsContext3D>(WebCore::GraphicsContext3D*) + 59
13  DumpRenderTree                	0x4ca7c031 WTF::RefPtr<WebCore::GraphicsContext3D>::~RefPtr() + 47
14  DumpRenderTree                	0x4e25d6a2 __tcf_0 + 48
15  libSystem.B.dylib             	0x90c5fc9c __cxa_finalize + 241
16  libSystem.B.dylib             	0x90c5fb90 exit + 33
17  DumpRenderTree                	0x4c96789f -[WatchDogTarget run:] + 485 (TestShellMac.mm:91)
18  com.apple.Foundation          	0x976addfd -[NSThread main] + 45
19  com.apple.Foundation          	0x976ad9a4 __NSThread__main__ + 308
20  libSystem.B.dylib             	0x90c68055 _pthread_start + 321
21  libSystem.B.dylib             	0x90c67f12 thread_start + 34

Thread 0 crashed with X86 Thread State (32-bit):
  eax: 0xbeefcafe  ebx: 0x4cec19aa  ecx: 0x00000001  edx: 0x00000000
  edi: 0xbfffb980  esi: 0x00000000  ebp: 0xbfffb0a8  esp: 0xbfffb070
   ss: 0x0000001f  efl: 0x00010282  eip: 0x4cec19f4   cs: 0x00000017
   ds: 0x0000001f   es: 0x0000001f   fs: 0x00000000   gs: 0x00000037
  cr2: 0xbeefcafe

Binary Images:
  0x2c9000 -   0x402fcb +ffmpegsumo.so ??? (???) <ac796f9b794a57b72c253358b14f4576> /b/build/slave/Webkit_Mac10_5__dbg__1_/build/src/xcodebuild/Debug/ffmpegsumo.so
0x15946000 - 0x15cdbfe3 +osmesa.so ??? (???) <53d60fbe1c5c6c90905d09cfb996d04c> /b/build/slave/Webkit_Mac10_5__dbg__1_/build/src/xcodebuild/Debug/osmesa.so
0x4c90b000 - 0x507eafeb +DumpRenderTree ??? (???) <19b65ad9e5f3f4ee2eb73e03f4c9deca> /b/build/slave/Webkit_Mac10_5__dbg__1_/build/src/xcodebuild/Debug/DumpRenderTree.app/Contents/MacOS/DumpRenderTree
0x8fe00000 - 0x8fe2db43  dyld 97.1 (???) <458eed38a009e5658a79579e7bc26603> /usr/lib/dyld
0x90048000 - 0x9004efff  com.apple.print.framework.Print 218.0.3 (220.2) <8c541d587e4068a5fe5a5ce8ee208516> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framework/Versions/A/Print
0x90082000 - 0x900fffef  libvMisc.dylib ??? (???) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
0x901e3000 - 0x901efff9  com.apple.helpdata 1.0.1 (14.2) /System/Library/PrivateFrameworks/HelpData.framework/Versions/A/HelpData
0x9023c000 - 0x9027dfe7  libRIP.A.dylib ??? (???) <cd04df9e8993c51312c8cbcfe2539914> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libRIP.A.dylib
0x904e7000 - 0x9051efff  com.apple.SystemConfiguration 1.9.2 (1.9.2) <41d5aeffefc6d19d471f51ae0b15024f> /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration
0x9051f000 - 0x90827fe7  com.apple.HIToolbox 1.5.6 (???) <eece3cb8aa0a4e6843fcc1500aca61c5> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
0x90828000 - 0x908daffb  libcrypto.0.9.7.dylib ??? (???) <d02f7e5b8a68813bb7a77f5edb34ff9d> /usr/lib/libcrypto.0.9.7.dylib
0x908db000 - 0x908dbffb  com.apple.installserver.framework 1.0 (8) /System/Library/PrivateFrameworks/InstallServer.framework/Versions/A/InstallServer
0x908dc000 - 0x908dcffa  com.apple.CoreServices 32 (32) <373d6a888f9204641f313bc6070ae065> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
0x908dd000 - 0x9095afeb  com.apple.audio.CoreAudio 3.1.2 (3.1.2) <782a08c44be4698597f4bbd79cac21c6> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
0x9095b000 - 0x9095efff  com.apple.help 1.1 (36) <1a25a8fbb49a830efb31d5c0a52939cd> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Help.framework/Versions/A/Help
0x90964000 - 0x9096efeb  com.apple.audio.SoundManager 3.9.2 (3.9.2) <df077a8048afc3075c6f2d9e7780e78e> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CarbonSound.framework/Versions/A/CarbonSound
0x9096f000 - 0x9099efe3  com.apple.AE 402.3 (402.3) <dba512e47f68eea1dd0ab35f596edb34> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE
0x9099f000 - 0x909ccfeb  libvDSP.dylib ??? (???) <f39d424bd56a0e75d5c7a2280a25cd76> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
0x909cd000 - 0x909d4fe9  libgcc_s.1.dylib ??? (???) <e280ddf3f5fb3049e674edcb109f389a> /usr/lib/libgcc_s.1.dylib
0x90a64000 - 0x90aebff7  libsqlite3.0.dylib ??? (???) <aaaf72c093e13f34b96e2688b95bdb4a> /usr/lib/libsqlite3.0.dylib
0x90aec000 - 0x90af5fff  com.apple.speech.recognition.framework 3.7.24 (3.7.24) <da2d8411921a3fd8bc898dc753b7f3ee> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SpeechRecognition.framework/Versions/A/SpeechRecognition
0x90af6000 - 0x90b83ff7  com.apple.framework.IOKit 1.5.2 (???) <7a3cc24f78f93931731203854ae0d891> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
0x90c36000 - 0x90d9dff3  libSystem.B.dylib ??? (???) <be7a9fa5c8a925578bddcbaa72e5bf6e> /usr/lib/libSystem.B.dylib
0x90d9e000 - 0x90e18ff8  com.apple.print.framework.PrintCore 5.5.4 (245.6) <9ae833544b8249984c07544dbe6a97fa> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore
0x90e19000 - 0x90e73ff7  com.apple.CoreText 2.0.5 (???) <5483518a613464d043455ac661a9dcbe> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreText.framework/Versions/A/CoreText
0x90eeb000 - 0x913bcfbe  libGLProgrammability.dylib ??? (???) <d5cb4e7997a873cd77523689e6749acd> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLProgrammability.dylib
0x913bd000 - 0x913bdffd  com.apple.vecLib 3.4.2 (vecLib 3.4.2) /System/Library/Frameworks/vecLib.framework/Versions/A/vecLib
0x913be000 - 0x913c2fff  libGIF.dylib ??? (???) <ade6d93abe118569a7a39d11f81eb9bf> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libGIF.dylib
0x913f5000 - 0x91528fe7  com.apple.CoreFoundation 6.5.7 (476.19) <a332c8f45529ee26d2e9c36d0c723bad> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x91529000 - 0x91545ff3  com.apple.CoreVideo 1.6.1 (48.6) <186cb311c17ea8714e918273c86d3c13> /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
0x91546000 - 0x9154afff  libmathCommon.A.dylib ??? (???) /usr/lib/system/libmathCommon.A.dylib
0x91597000 - 0x91597fff  com.apple.Carbon 136 (136) <eb3c292d5544512f86e1e4e743c23f8e> /System/Library/Frameworks/Carbon.framework/Versions/A/Carbon
0x9168d000 - 0x9169bffd  libz.1.dylib ??? (???) <a98b3b221a72b54faf73ded3dd7000e5> /usr/lib/libz.1.dylib
0x9169c000 - 0x9172fff3  com.apple.ApplicationServices.ATS 3.8 (???) <e61b0945da6ab368348a927f7428ad67> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
0x91760000 - 0x917b1ff7  com.apple.HIServices 1.7.1 (???) <ba7fd0ede540a0da08db027f87efbd60> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
0x917b2000 - 0x91859feb  com.apple.QD 3.11.57 (???) <35f058678972d42b88ebdf652df79956> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD
0x91c17000 - 0x91c24fe7  com.apple.opengl 1.5.10 (1.5.10) <e7d1198d869f45f09251f9697cbdd192> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
0x91d0d000 - 0x91fe7ff3  com.apple.CoreServices.CarbonCore 786.16 (786.16) <d2af3f75c3500c518c39fd00aed7f9b9> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
0x92407000 - 0x92432fe7  libauto.dylib ??? (???) <4f3e58cb81da07a1662c1f647ce30225> /usr/lib/libauto.dylib
0x92433000 - 0x9244bfff  com.apple.openscripting 1.2.8 (???) <a888b18c8527f71629702ed8dce9c877> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/OpenScripting.framework/Versions/A/OpenScripting
0x9244c000 - 0x9252cfff  libobjc.A.dylib ??? (???) <3ca288b625a47bbcfe378158e4dc328f> /usr/lib/libobjc.A.dylib
0x9252d000 - 0x92615ff3  com.apple.CoreData 100.2 (186.2) <44df326fea0236718f5ed64084e82270> /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
0x92684000 - 0x92855fef  com.apple.security 5.0.7 (1) <44e26a9c40630a54d5a9f70c18483411> /System/Library/Frameworks/Security.framework/Versions/A/Security
0x929db000 - 0x92a15fe7  com.apple.coreui 1.2 (62) /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/CoreUI
0x92a16000 - 0x92a1bfff  com.apple.CommonPanels 1.2.4 (85) <c135f02edd6b2e2864311e0b9d08a98d> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CommonPanels.framework/Versions/A/CommonPanels
0x92a9b000 - 0x92aa6fe7  libCSync.A.dylib ??? (???) <f3228c803584320fde5e1bb9f04b4d44> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libCSync.A.dylib
0x92aa8000 - 0x92eb8fef  libBLAS.dylib ??? (???) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
0x92f08000 - 0x92fcfff2  com.apple.vImage 3.0 (3.0) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
0x92fd0000 - 0x92febff3  libPng.dylib ??? (???) <e0c3bdc3144e1ed91f1e4d00d147ff3a> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libPng.dylib
0x93137000 - 0x93137ffd  com.apple.Accelerate.vecLib 3.4.2 (vecLib 3.4.2) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
0x93138000 - 0x93194ff7  com.apple.htmlrendering 68 (1.1.3) <1c5c0c417891b920dfe139385fc6c155> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HTMLRendering.framework/Versions/A/HTMLRendering
0x93195000 - 0x93532fef  com.apple.QuartzCore 1.5.8 (1.5.8) <18113e06d296230d63a63b58baf35f55> /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
0x93543000 - 0x9354aff7  libCGATS.A.dylib ??? (???) <8875cf11c0de0579423ac6b6ce80336d> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libCGATS.A.dylib
0x9354b000 - 0x93552ffe  libbsm.dylib ??? (???) <fa7ae5f1a621d9b69e7e18747c9405fb> /usr/lib/libbsm.dylib
0x935d0000 - 0x93722ff3  com.apple.audio.toolbox.AudioToolbox 1.5.3 (1.5.3) /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
0x93723000 - 0x93762fef  libTIFF.dylib ??? (???) <2afd7f6079224311d67ab427e10bf61c> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libTIFF.dylib
0x93775000 - 0x93785ffc  com.apple.LangAnalysis 1.6.5 (1.6.5) <d057feb38163121ffd871c564c692804> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
0x93786000 - 0x93f84fef  com.apple.AppKit 6.5.9 (949.54) <4df5d2e2271175452103f789b4f4d8a8> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
0x959c7000 - 0x959efff7  com.apple.shortcut 1.0.1 (1.0) <37e4b08cfaf9edb08b8682a06c4ec844> /System/Library/PrivateFrameworks/Shortcut.framework/Versions/A/Shortcut
0x959f0000 - 0x95a97fec  com.apple.CFNetwork 438.16 (438.16) <0a2f633dc532b176109547367f209ced> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
0x95a98000 - 0x95ab6fff  libresolv.9.dylib ??? (???) <0e26b308654f33fc94a0c010a50751f9> /usr/lib/libresolv.9.dylib
0x95ab8000 - 0x95acefff  com.apple.DictionaryServices 1.0.0 (1.0.0) <7d20b8d1fb238c3e71d0fa6fda18c4f7> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices
0x95acf000 - 0x9616ffff  com.apple.CoreGraphics 1.409.8 (???) <25020feb388637ee860451c19b613c48> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics
0x96170000 - 0x96171ffc  libffi.dylib ??? (???) <eaf10b99a3fbc4920b175809407466c0> /usr/lib/libffi.dylib
0x96172000 - 0x9617effe  libGL.dylib ??? (???) /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
0x9617f000 - 0x96209ff7  com.apple.DesktopServices 1.4.9 (1.4.9) <f5e51a76d315798371b3dd35a4d46d6c> /System/Library/PrivateFrameworks/DesktopServicesPriv.framework/Versions/A/DesktopServicesPriv
0x9620f000 - 0x9620fff8  com.apple.ApplicationServices 34 (34) <ee7bdf593da050bb30c7a1fc446eb8a6> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices
0x96210000 - 0x96234fff  libxslt.1.dylib ??? (???) <c372568bd2f7169efa0faee6546eead3> /usr/lib/libxslt.1.dylib
0x96437000 - 0x96494ffb  libstdc++.6.dylib ??? (???) <f75e5133d72769de5ce6c06153fc65f6> /usr/lib/libstdc++.6.dylib
0x96495000 - 0x96495ffc  com.apple.audio.units.AudioUnit 1.5 (1.5) /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit
0x96496000 - 0x96515ff5  com.apple.SearchKit 1.2.2 (1.2.2) <3b5f3ab6a363a4d8a2bbbf74213ab0e5> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
0x96534000 - 0x96553ffa  libJPEG.dylib ??? (???) <6d61215d5adfd74f75fed2e4db29a21c> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libJPEG.dylib
0x96554000 - 0x96592fff  libGLImage.dylib ??? (???) <2e570958595e0c9c3a289158223b39ee> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib
0x96593000 - 0x96951fea  libLAPACK.dylib ??? (???) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
0x96eea000 - 0x96f2cfef  com.apple.NavigationServices 3.5.2 (163) <7f4f1766414a511bf5bc68920ac85a88> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/NavigationServices.framework/Versions/A/NavigationServices
0x96f2d000 - 0x96f2ffff  com.apple.securityhi 3.0 (30817) <b3517782ad664a21e4fd60242e92723e> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SecurityHI.framework/Versions/A/SecurityHI
0x96f36000 - 0x96fc9fff  com.apple.ink.framework 101.3 (86) <d4c85b5cafa8027fff042b84a8be71dc> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Ink.framework/Versions/A/Ink
0x96fca000 - 0x97057ff7  com.apple.LaunchServices 292 (292) <a41286c7c1eb20ffd5cc796f791070f0> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
0x9708b000 - 0x970a0ffb  com.apple.ImageCapture 5.0.2 (5.0.2) /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/ImageCapture.framework/Versions/A/ImageCapture
0x970a1000 - 0x971eaff7  com.apple.ImageIO.framework 2.0.9 (2.0.9) <717938c4837f88bbe8ec613d4d25bc52> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/ImageIO
0x971eb000 - 0x971fbfff  com.apple.speech.synthesis.framework 3.7.1 (3.7.1) <9a71429c74ed6ca43eb35e1f78471b2e> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis
0x97374000 - 0x973cdff7  libGLU.dylib ??? (???) <64d010e31d7596bd8f9edc6e027d1d0c> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
0x973ce000 - 0x97507ff7  libicucore.A.dylib ??? (???) <f2819243b278259b9a622ea111ea5fd6> /usr/lib/libicucore.A.dylib
0x97508000 - 0x97508ffd  com.apple.Accelerate 1.4.2 (Accelerate 1.4.2) /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
0x975e8000 - 0x975f0fff  com.apple.DiskArbitration 2.2.1 (2.2.1) <ba64dd6ada417b5e7be736957f380bca> /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
0x975f1000 - 0x976a2fff  edu.mit.Kerberos 6.0.15 (6.0.15) <28005ea82ba82307f185c255c25bfdd3> /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos
0x976a3000 - 0x9791ffe7  com.apple.Foundation 6.5.9 (677.26) <c68b3cff7864959becfc7fd1a384f925> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
0x9795b000 - 0x9795dff5  libRadiance.dylib ??? (???) <73169d8c3fc31df4005e8eaa0d16bde5> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libRadiance.dylib
0x9795e000 - 0x97a19fe3  com.apple.CoreServices.OSServices 228.1 (228.1) <9c640e79ad97f335730d8a49f6cb2032> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices
0x97a1a000 - 0x97afbff7  libxml2.2.dylib ??? (???) <f274ba384fb55203873f9c17569ef131> /usr/lib/libxml2.2.dylib
0x97afc000 - 0x97b25fff  libcups.2.dylib ??? (???) <2b0ab6b9fa1957ee940835d0cfd42894> /usr/lib/libcups.2.dylib
0x97d18000 - 0x97de3fef  com.apple.ColorSync 4.5.4 (4.5.4) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSync.framework/Versions/A/ColorSync
0x97e33000 - 0x97e7cfef  com.apple.Metadata 10.5.8 (398.26) <e4d268ea45379200f03cdc7c8bedae6f> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
0xfffe8000 - 0xfffebfff  libobjc.A.dylib ??? (???) /usr/lib/libobjc.A.dylib
0xffff0000 - 0xffff1780  libSystem.B.dylib ??? (???) /usr/lib/libSystem.B.dylib

[Vincent Scheib]

Swapping to bug to cover a wider problem, crashes in these builds are impacting many tests, e.g.:

http/tests/appcache/auth.html
http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=http%2Ftests%2Fappcache%2Fauth.html

accessibility/aria-checkbox-text.html
http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=accessibility%2Faria-checkbox-text.html

http/tests/appcache/different-scheme.html,http/tests/appcache/different-origin-manifest.html,http/tests/appcache/credential-url.html,http/tests/appcache/crash-when-navigating-away-then-back.html,http/tests/appcache/access-via-redirect.php,http/tests/appcache/detached-iframe.html,http/tests/appcache/cyrillic-uri.html,http/tests/appcache/deferred-events.html,http/tests/appcache/deferred-events-delete-while-raising.html,http/tests/appcache/destroyed-frame.html
http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=http%2Ftests%2Fappcache%2Fdifferent-scheme.html%2Chttp%2Ftests%2Fappcache%2Fdifferent-origin-manifest.html%2Chttp%2Ftests%2Fappcache%2Fcredential-url.html%2Chttp%2Ftests%2Fappcache%2Fcrash-when-navigating-away-then-back.html%2Chttp%2Ftests%2Fappcache%2Faccess-via-redirect.php%2Chttp%2Ftests%2Fappcache%2Fdetached-iframe.html%2Chttp%2Ftests%2Fappcache%2Fcyrillic-uri.html%2Chttp%2Ftests%2Fappcache%2Fdeferred-events.html%2Chttp%2Ftests%2Fappcache%2Fdeferred-events-delete-while-raising.html%2Chttp%2Ftests%2Fappcache%2Fdestroyed-frame.html

[Peter Kasting]

The last of these no longer seems to repro.  Removed the last expectation in WebKit r117530.