Bug 295328 – StabilityTracer: com.apple.WebKit.GPU at WebCore: void std::__1::map<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>

• Status: RESOLVED
• Resolution: FIXED
• Component: Media

[Jean-Yves Avenard [:jya]]

```
Summary of a selection of backtraces attributed to this bug. The stack frame considered to be the unique "crash signature" is highlighted ==> like this <==. This frame is used for aggregation when filing these bugs and does not necessarily imply fault.

        37 unsigned int std::__1::__cxx_atomic_fetch_add[abi:sn190102]<unsigned int>(std::__1::__cxx_atomic_base_impl<unsigned int>*, unsigned int, std::__1::memory_order) (WebCore)
          37 std::__1::__atomic_base<unsigned int, true>::fetch_add[abi:sn190102](unsigned int, std::__1::memory_order) (WebCore)
            37 std::__1::__atomic_base<unsigned int, true>::operator++[abi:sn190102]() (WebCore)
              37 WTF::ThreadSafeRefCountedBase::ref() const (WebCore)
                37 WTF::DefaultRefDerefTraits<WebCore::MediaSample>::ref(WebCore::MediaSample&) (WebCore)
                  37 WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>::Ref(WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>> const&) (WebCore)
                    37 WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>::Ref(WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>> const&) (WebCore)
                      37 std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>::pair[abi:sn190102](std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>> const&) (WebCore)
                        37 std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>::pair[abi:sn190102](std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>> const&) (WebCore)
                          37 std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>* std::__1::construct_at[abi:sn190102]<std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>> const&, std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>*>(std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>*, std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>> const&) (WebCore)
                            37 std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>* std::__1::__construct_at[abi:sn190102]<std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>> const&, std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>*>(std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>*, std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>> const&) (WebCore)
                              37 void std::__1::allocator_traits<WTF::FastAllocator<std::__1::__tree_node<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, void*>>>::construct[abi:sn190102]<std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>> const&, void, 0>(WTF::FastAllocator<std::__1::__tree_node<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, void*>>&, std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>*, std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>> const&) (WebCore)
                                37 std::__1::unique_ptr<std::__1::__tree_node<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, void*>, std::__1::__tree_node_destructor<WTF::FastAllocator<std::__1::__tree_node<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, void*>>>> std::__1::__tree<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::__map_value_compare<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::less<std::__1::pair<WTF::MediaTime, WTF::MediaTime>>, true>, WTF::FastAllocator<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>>>::__construct_node<std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>> const&>(std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>> const&) (WebCore)
                                  37 std::__1::pair<std::__1::__tree_iterator<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::__tree_node<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, void*>*, long>, bool> std::__1::__tree<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::__map_value_compare<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::less<std::__1::pair<WTF::MediaTime, WTF::MediaTime>>, true>, WTF::FastAllocator<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>>>::__emplace_hint_unique_key_args<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>> const&>(std::__1::__tree_const_iterator<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::__tree_node<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, void*>*, long>, std::__1::pair<WTF::MediaTime, WTF::MediaTime> const&, std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>> const&) (WebCore)
                                    37 std::__1::__tree<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::__map_value_compare<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::less<std::__1::pair<WTF::MediaTime, WTF::MediaTime>>, true>, WTF::FastAllocator<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>>>::__insert_unique[abi:sn190102](std::__1::__tree_const_iterator<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::__tree_node<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, void*>*, long>, std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>> const&) (WebCore)
                                      37 std::__1::__map_iterator<std::__1::__tree_iterator<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::__tree_node<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, void*>*, long>> std::__1::map<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>, std::__1::less<std::__1::pair<WTF::MediaTime, WTF::MediaTime>>, WTF::FastAllocator<std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>>>::insert[abi:sn190102]<std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>&, 0>(std::__1::__map_const_iterator<std::__1::__tree_const_iterator<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::__tree_node<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, void*>*, long>>, std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>&) (WebCore)
                                ==> 37 void std::__1::map<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>, std::__1::less<std::__1::pair<WTF::MediaTime, WTF::MediaTime>>, WTF::FastAllocator<std::__1::pair<std::__1::pair<WTF::MediaTime, WTF::MediaTime> const, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>>>::insert[abi:sn190102]<std::__1::__map_iterator<std::__1::__tree_iterator<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::__tree_node<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, void*>*, long>>>(std::__1::__map_iterator<std::__1::__tree_iterator<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::__tree_node<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, void*>*, long>>, std::__1::__map_iterator<std::__1::__tree_iterator<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, std::__1::__tree_node<std::__1::__value_type<std::__1::pair<WTF::MediaTime, WTF::MediaTime>, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>>, void*>*, long>>) (WebCore) <==
                                          37 WebCore::SourceBufferPrivate::processMediaSample(WebCore::SourceBufferPrivateClient&, WTF::Ref<WebCore::MediaSample, WTF::RawPtrTraits<WebCore::MediaSample>, WTF::DefaultRefDerefTraits<WebCore::MediaSample>>&&) (WebCore)
                                            37 auto WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0::operator()<std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>>(std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>) (WebCore)
                                              37 decltype(std::declval<WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0>()(std::declval<std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>>())) std::__1::__invoke[abi:sn190102]<WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0, std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>>(WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0&&, std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>&&) (WebCore)
                                                37 std::__1::invoke_result<WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0, std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>>::type std::__1::invoke[abi:sn190102]<WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0, std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>>(WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0&&, std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>&&) (WebCore)
                                                  37 auto WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>::invokeWithVoidOrWithArg<WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0, std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>>(WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0&&, std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>&&) (WebCore)
                                                    37 auto WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>::whenSettled<WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0>(WTF::GuaranteedSerialFunctionDispatcher&, WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0&&, WTF::Logger::LogSiteIdentifier const&)::'lambda'(std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>&&)::operator()('lambda'(std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>&&)) (WebCore)
                                                      37 WTF::Detail::CallableWrapper<auto WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>::whenSettled<WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0>(WTF::GuaranteedSerialFunctionDispatcher&, WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0&&, WTF::Logger::LogSiteIdentifier const&)::'lambda'(std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>&&), WTF::Ref<WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>, WTF::RawPtrTraits<WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>>, WTF::DefaultRefDerefTraits<WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>>>, auto WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>::whenSettled<WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0>(WTF::GuaranteedSerialFunctionDispatcher&, WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0&&, WTF::Logger::LogSiteIdentifier const&)::'lambda'(std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>&&)>::call(auto WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>::whenSettled<WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0>(WTF::GuaranteedSerialFunctionDispatcher&, WebCore::SourceBufferPrivate::processPendingMediaSamples()::$_0&&, WTF::Logger::LogSiteIdentifier const&)::'lambda'(std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>&&)) (WebCore)
                                                        37 WTF::Function<WTF::Ref<WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>, WTF::RawPtrTraits<WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>>, WTF::DefaultRefDerefTraits<WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>>> (std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>&&)>::operator()(std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>&&) const (WebCore)
                                                          37 WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>::ThenCallback<true, WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>>::processResult(WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>&, std::experimental::fundamentals_v3::expected<void, WebCore::PlatformMediaError>&&) (WebCore)
                                                            37 WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>::ThenCallbackBase::dispatch(WTF::NativePromise<void, WebCore::PlatformMediaError, 0u>&, WTF::Locker<WTF::Lock, void>&)::'lambda'()::operator()() (WebCore)
                                                              37 WTF::Function<void ()>::operator()() const (JavaScriptCore)
                                                                37 WTF::RunLoop::performWork() (JavaScriptCore)
                                                                  37 WTF::RunLoop::performWork(void*) (JavaScriptCore)
                                                                    37 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (CoreFoundation)
                                                                      37 __CFRunLoopDoSource0 (CoreFoundation)
                                                                        37 __CFRunLoopDoSources0 (CoreFoundation)
                                                                          37 __CFRunLoopRun (CoreFoundation)
                                                                            37 CFRunLoopRunSpecific (CoreFoundation)
                                                                              37 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] (Foundation)
                                                                                37 -[NSRunLoop(NSRunLoop) run] (Foundation)
                                                                                  37 _xpc_objc_main (libxpc.dylib)
                                                                                    37 _xpc_main (libxpc.dylib)
                                                                                      37 xpc_main (libxpc.dylib)
                                                                                        37 _EXRunningLibXPCServiceExtension.resume() (ExtensionFoundation)
                                                                                          37 @objc _EXRunningLibXPCServiceExtension.resume() (ExtensionFoundation)
                                                                                            37 -[_EXRunningExtension startWithArguments:count:] (ExtensionFoundation)
                                                                                              37 EXExtensionMain (ExtensionFoundation)
                                                                                                37 _EXExtensionMain (Foundation)
                                                                                                  37 NSExtensionMain (Foundation)
                                                                                                    37 start (dyld)
```

[Jean-Yves Avenard [:jya]]

rdar://152381158

[Jean-Yves Avenard [:jya]]

Pull request: https://github.com/WebKit/WebKit/pull/47482

[EWS]

Committed 296933@main (c9fa577e9050): <https://commits.webkit.org/296933@main>

Reviewed commits have been landed. Closing PR #47482 and removing active labels.

[EWS]

Committed 289651.600@safari-7621-branch (5a86540ebc8b): <https://commits.webkit.org/289651.600@safari-7621-branch>

Reviewed commits have been landed. Closing PR #3200 and removing active labels.