Photo Booth hangs under JSC::MachineThreads::tryCopyOtherThreadStacks
Created attachment 253751 [details] Patch
<rdar://problem/20300842>
Created attachment 253752 [details] Patch
Comment on attachment 253752 [details] Patch lol r=me
Committed r184884: <http://trac.webkit.org/changeset/184884>