dav1d/src/itx_1d.c:242:27: runtime error: signed integer overflow: 1983902008 + 183520772 cannot be represented in type 'int'

Found on 12dc2be0

    #0 0x559a057e087f in inv_dct32_1d third_party/dav1d/src/itx_1d.c
    #1 0x559a057d5f8f in inv_txfm_add_c third_party/dav1d/src/itx_tmpl.c
    #2 0x559a057d56f3 in inv_txfm_add_dct_dct_32x16_c third_party/dav1d/src/itx_tmpl.c:146:1
    #3 0x559a0581554a in dav1d_recon_b_intra_16bpc third_party/dav1d/src/recon_tmpl.c:890:29
    #4 0x559a0574e5be in decode_b third_party/dav1d/src/decode.c:1162:13
    #5 0x559a05734e8b in decode_sb third_party/dav1d/src/decode.c
    #6 0x559a05735692 in decode_sb third_party/dav1d/src/decode.c:2125:17
    #7 0x559a05733a9b in dav1d_decode_tile_sbrow third_party/dav1d/src/decode.c:2469:13
    #8 0x559a0573dfbc in dav1d_decode_frame third_party/dav1d/src/decode.c:2838:29
    #9 0x559a05743d82 in dav1d_submit_frame third_party/dav1d/src/decode.c:3302:20
    #10 0x559a05785488 in dav1d_parse_obus third_party/dav1d/src/obu.c:1412:24
    #11 0x559a057ae0a6 in dav1d_get_picture third_party/dav1d/src/lib.c:347:15
    #12 0x559a0571e179 in LLVMFuzzerTestOneInput third_party/dav1d/tests/libfuzzer/dav1d_fuzzer.c:156:19

poc-d14107416d79a823c7448497d31f6d8177455b61436578f5b163907c4278f8bc