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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - JavaScriptCore performance is very bad on Windows"
href="https://bugs.webkit.org/show_bug.cgi?id=146448#c42">Comment # 42</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - JavaScriptCore performance is very bad on Windows"
href="https://bugs.webkit.org/show_bug.cgi?id=146448">bug 146448</a>
from <span class="vcard"><a class="email" href="mailto:peavo@outlook.com" title="peavo@outlook.com">peavo@outlook.com</a>
</span></b>
<pre>After an unreviewed debug build fix in <a href="http://trac.webkit.org/changeset/187021">http://trac.webkit.org/changeset/187021</a>, the builds are looking better, but this patch has caused JSC api tests to fail for the CLoop builds:
ASSERTION FAILED: !identifierByPthreadHandle(pthreadHandle)
/Volumes/Data/slave/mavericks-cloop-debug/build/Source/WTF/wtf/ThreadingPthreads.cpp(154) : ThreadIdentifier WTF::establishIdentifierForPthreadHandle(const pthread_t &)
1 0x1078e1510 WTFCrash
2 0x10793cac7 WTF::establishIdentifierForPthreadHandle(_opaque_pthread_t* const&)
3 0x10793c730 WTF::createThreadInternal(void (*)(void*), void*, char const*)
4 0x10793af57 WTF::createThread(char const*, std::__1::function<void ()>)
5 0x10793b0b5 WTF::createThread(void (*)(void*), void*, char const*)
6 0x107446317 JSC::GCThreadSharedData::GCThreadSharedData(JSC::VM*)
7 0x107445c7d JSC::GCThreadSharedData::GCThreadSharedData(JSC::VM*)
8 0x107451a44 JSC::Heap::Heap(JSC::VM*, JSC::HeapType)
9 0x1074517b3 JSC::Heap::Heap(JSC::VM*, JSC::HeapType)
10 0x10788b80f JSC::VM::VM(JSC::VM::VMType, JSC::HeapType)
11 0x10788b731 JSC::VM::VM(JSC::VM::VMType, JSC::HeapType)
12 0x10788ea0c JSC::VM::createContextGroup(JSC::HeapType)
13 0x107554ceb JSContextGroupCreate
14 0x107647885 -[JSVirtualMachine init]
15 0x10755356d -[JSContext init]
16 0x1072739dd currentThisInsideBlockGetterTest()
17 0x107294888 testObjectiveCAPIMain()
18 0x1072859e4 testObjectiveCAPI
19 0x10727bec3 main
20 0x7fff9439c5fd start</pre>
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