It's still happening:
Date/Time: 2014-11-01 20:24:27.676 +0000OS Version: Mac OS X 10.10 (14A389)
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 ??? 0x000055cec6130fb7 0 + 94346574761911
1 ??? 0x000055cec602a032 0 + 94346573684786
2 ??? 0x000055cec60f8d55 0 + 94346574531925
3 ??? 0x000055cec60019fa 0 + 94346573519354
4 ??? 0x000055cec60019fa 0 + 94346573519354
5 com.apple.JavaScriptCore 0x00007fff8bcf5f9e llint_entry + 22744
6 com.apple.JavaScriptCore 0x00007fff8bcf6168 llint_entry + 23202
7 com.apple.JavaScriptCore 0x00007fff8bcf5f9e llint_entry + 22744
8 com.apple.JavaScriptCore 0x00007fff8bcf5f9e llint_entry + 22744
9 ??? 0x000055cec60019fa 0 + 94346573519354
10 com.apple.JavaScriptCore 0x00007fff8bcf04a1 callToJavaScript + 311
11 com.apple.JavaScriptCore 0x00007fff8bc75823 JSC::JITCode::execute(JSC::VM*, JSC:
rotoCallFrame*) + 35
12 com.apple.JavaScriptCore 0x00007fff8b938e5e JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 462
13 com.apple.JavaScriptCore 0x00007fff8bb0f4cf JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, JSC::JSValue*) + 63
14 com.apple.WebCore 0x00007fff8aa68968 WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) + 952
15 com.apple.WebCore 0x00007fff8aa68424 WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1ul, WTF::CrashOnOverflow>&) + 692
16 com.apple.WebCore 0x00007fff8a93cf67 WebCore::EventTarget::fireEventListeners(WebCore::Event*) + 167
17 com.apple.WebCore 0x00007fff8ae60d07 WebCore::EventContext::handleLocalEvents(WebCore::Event&) const + 87
18 com.apple.WebCore 0x00007fff8ae6136f WebCore::EventDispatcher::dispatchEvent(WebCore::Node*, WTF:
assRefPtr<WebCore::Event>) + 959
19 com.apple.WebCore 0x00007fff8a93cd7d WebCore::Node::dispatchEvent(WTF:
assRefPtr<WebCore::Event>) + 29
20 com.apple.WebCore 0x00007fff8a98218b WebCore:
ocument::finishedParsing() + 187
21 com.apple.WebCore 0x00007fff8a93f7f5 WebCore::HTMLDocumentParser:
repareToStopParsing() + 165
22 com.apple.WebCore 0x00007fff8aaba192 WebCore::HTMLDocumentParser::notifyFinished(WebCore::CachedResource*) + 82
23 com.apple.WebCore 0x00007fff8a9f1f7a WebCore::CachedResource::checkNotify() + 170
24 com.apple.WebCore 0x00007fff8a9f1cbc WebCore::SubresourceLoader::didFinishLoading(double) + 92
25 com.apple.WebKit 0x00007fff8c0a249e WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection*, IPC::MessageDecoder&) + 630
26 com.apple.WebKit 0x00007fff8bf5016a IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) + 94
27 com.apple.WebKit 0x00007fff8bf522e2 IPC::Connection::dispatchOneMessage() + 114
28 com.apple.JavaScriptCore 0x00007fff8bd97502 WTF::RunLoop:
erformWork() + 850
29 com.apple.JavaScriptCore 0x00007fff8bd97a22 WTF::RunLoop:
erformWork(void*) + 34
30 com.apple.CoreFoundation 0x00007fff83126661 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
31 com.apple.CoreFoundation 0x00007fff831187ed __CFRunLoopDoSources0 + 269
32 com.apple.CoreFoundation 0x00007fff83117e1f __CFRunLoopRun + 927
33 com.apple.CoreFoundation 0x00007fff83117838 CFRunLoopRunSpecific + 296
34 com.apple.HIToolbox 0x00007fff869ad43f RunCurrentEventLoopInMode + 235
35 com.apple.HIToolbox 0x00007fff869ad1ba ReceiveNextEventCommon + 431
36 com.apple.HIToolbox 0x00007fff869acffb _BlockUntilNextEventMatchingListInModeWithFilter + 71
37 com.apple.AppKit 0x00007fff89b9c821 _DPSNextEvent + 964
38 com.apple.AppKit 0x00007fff89b9bfd0 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 194
39 com.apple.AppKit 0x00007fff89b8ff73 -[NSApplication run] + 594
40 com.apple.AppKit 0x00007fff89b7b424 NSApplicationMain + 1832
41 libxpc.dylib 0x00007fff8d62bef2 _xpc_objc_main + 793
42 libxpc.dylib 0x00007fff8d62da9d xpc_main + 490
43 com.apple.WebKit.WebContent 0x000000010d7b2b40 0x10d7b2000 + 2880
44 libdyld.dylib 0x00007fff8a8795c9 start + 1