[Webkit-unassigned] [Bug 188240] Crash on page load

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=188240

--- Comment #1 from Joseph Pecoraro <joepeck at webkit.org> ---
Hmm, this code just does a dispatch_sync to the main queue after checking ![NSThread isMainThread]. Whats up wit that?

> Exception Type:        EXC_BAD_INSTRUCTION (SIGILL)
> Exception Codes:       0x0000000000000001, 0x0000000000000000
> Exception Note:        EXC_CORPSE_NOTIFY
> 
> Application Specific Information:
> BUG IN CLIENT OF LIBDISPATCH: dispatch_sync called on queue already owned by current thread
> 
> Thread 1 Crashed:: Dispatch queue: com.apple.main-thread
> 0   libdispatch.dylib             	0x00007fff7e0bda2e __DISPATCH_WAIT_FOR_QUEUE__ + 392
> 1   libdispatch.dylib             	0x00007fff7e0bd611 _dispatch_sync_f_slow + 171
> 2   com.apple.WebKit              	0x000000010eab2e60 WebKit::InitializeWebKit2()::$_0::operator()() const + 80 (WebKit2InitializeCocoa.mm:68)
> 3   com.apple.WebKit              	0x000000010eab2dfb void std::__1::__call_once_proxy<std::__1::tuple<WebKit::InitializeWebKit2()::$_0&&> >(void*) + 91 (mutex:650)
> 4   libc++.1.dylib                	0x00007fff7b8e1c8a std::__1::__call_once(unsigned long volatile&, void*, void (*)(void*)) + 139
> 5   com.apple.WebKit              	0x000000010eab2d91 WebKit::InitializeWebKit2() + 289 (WebKit2InitializeCocoa.mm:69)
> ...

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