[Webkit-unassigned] [Bug 146448] JavaScriptCore performance is very bad on Windows

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=146448

--- Comment #36 from peavo at outlook.com ---
(In reply to comment #34)
> Per, ewmailing, do you have access to VS2015?  Can you confirm if the issue
> still manifests on the latest VS?

I checked the source code of _Thrd_current in VS2015 RC, and the issues has not been fixed there, according to the source:

_Thrd_t _Thrd_current(void)
{    /* return _Thrd_t identifying current thread */
    _Thrd_t thr;

#ifdef _WIN32_WCE
    thr._Hnd = (HANDLE)GetCurrentThreadId();
#else /* _WIN32_WCE */
    if (DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
        GetCurrentProcess(), &thr._Hnd,
        DUPLICATE_SAME_ACCESS, TRUE, 0))
        CloseHandle(thr._Hnd);
    else
        thr._Hnd = 0;
#endif /* _WIN32_WCE */

    thr._Id = GetCurrentThreadId();
    return (thr);
}

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