tile-mt: reset tile tasks when the number of tiles changes
Fixes an assert in dav1d_prepare_intra_edges_16bpc() with clusterfuzz-testcase-minimized-dav1d_fuzzer_mt-5640098964570112. Credits to oss-fuzz.
Fixes an assert in dav1d_prepare_intra_edges_16bpc() with clusterfuzz-testcase-minimized-dav1d_fuzzer_mt-5640098964570112. Credits to oss-fuzz.
VideoLAN code repository instance