FirefoxFailBuildVP9

29:05.91 BUILDSTATUS BUILD_VERBOSE media/webrtc/trunk/webrtc/modules/video_coding/video_coding_utility_gn
29:14.62 1 warning generated.
29:14.64 media/webrtc/trunk/webrtc/modules/video_coding/webrtc_h264_gn
29:16.08 media/webrtc/trunk/webrtc/modules/video_coding/webrtc_i420_gn
29:16.64 media/webrtc/trunk/webrtc/modules/video_coding/webrtc_vp8_gn
29:16.65 media/webrtc/trunk/webrtc/modules/video_coding/webrtc_stereo_gn
29:16.98 media/webrtc/trunk/webrtc/modules/video_coding/webrtc_vp9_gn
29:18.14 In file included from /home/dshchur/.cache/yay/firefox-wayland-hg/src/mozilla-unified/obj-x86_64-pc-linux-gnu/media/webrtc/trunk/webrtc/modules/video_coding/webrtc_vp9_gn/Unified_cpp_webrtc_vp9_gn0.cpp:20:
29:18.15 /home/dshchur/.cache/yay/firefox-wayland-hg/src/mozilla-unified/media/webrtc/trunk/webrtc/modules/video_coding/codecs/vp9/vp9_impl.cc:869:17: error: no member named 'frame_flags' in 'vpx_svc_ref_frame_config'
29:18.15         sf_conf.frame_flags[layer_idx] = layer_flags;
29:18.15         ~~~~~~~ ^
29:18.31 1 error generated.