ASSERTION FAILED: report->backingMap() /Volumes/Data/slave/ios-simulator-12-debug/build/Source/WebCore/Modules/mediastream/libwebrtc/LibWebRTCStatsCollector.cpp(391) : auto WebCore::LibWebRTCStatsCollector::OnStatsDelivered(const rtc::scoped_refptr<const webrtc::RTCStatsReport> &)::(anonymous class)::operator()() const 1 0x333293f59 WTFCrash 2 0x337128d6b WTFCrashWithInfo(int, char const*, char const*, int) 3 0x3373495c6 WebCore::LibWebRTCStatsCollector::OnStatsDelivered(rtc::scoped_refptr<webrtc::RTCStatsReport const> const&)::$_1::operator()() const 4 0x337349419 WTF::Function<void ()>::CallableWrapper<WebCore::LibWebRTCStatsCollector::OnStatsDelivered(rtc::scoped_refptr<webrtc::RTCStatsReport const> const&)::$_1>::call() 5 0x3332bb7fd WTF::Function<void ()>::operator()() const 6 0x3332e92ad WTF::dispatchFunctionsFromMainThread() 7 0x3332ec035 -[JSWTFMainThreadCaller call] 8 0x103e4dc7b __NSThreadPerformPerform 9 0x32d5a6721 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ 10 0x32d5a5f93 __CFRunLoopDoSources0 11 0x32d5a063f __CFRunLoopRun 12 0x32d59fe11 CFRunLoopRunSpecific 13 0x103e38322 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] 14 0x103e38492 -[NSRunLoop(NSRunLoop) run] 15 0x32f1da812 _xpc_objc_main 16 0x32f1dccbd xpc_main 17 0x103d7bbc7 WebKit::XPCServiceMain(int, char const**) 18 0x103d7bf22 main 19 0x32ef0f575 start LEAK: 1 WebPageProxy
*** This bug has been marked as a duplicate of bug 192037 ***