dav1d segfaults with CFLAGS=-march=native
I'm using gcc 8.2.0 and configured dav1d with CFLAGS=-march=native meson build --buildtype release.
$ gdb --args dav1d -i Chimera-AV1-8bit-1920x1080-6736kbps.ivf -o /dev/null --muxer yuv4mpeg2 --limit=50
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Reading symbols from dav1d...(no debugging symbols found)...done.
(gdb) run
Starting program: /home/kagami/.local/bin/dav1d -i Chimera-AV1-8bit-1920x1080-6736kbps.ivf -o /dev/null --muxer yuv4mpeg2 --limit=50
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Dav1d 9fd4ede - by Two Orioles
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7af64ea in inv_txfm_add_c.isra.0.constprop () from /home/kagami/code/tmp/dav1d/build/libdav1d.so.0
(gdb) bt full
#0 0x00007ffff7af64ea in inv_txfm_add_c.isra.0.constprop () from /home/kagami/code/tmp/dav1d/build/libdav1d.so.0
No symbol table info available.
#1 0x00007ffff7af69d3 in inv_txfm_add_dct_adst_16x8_c () from /home/kagami/code/tmp/dav1d/build/libdav1d.so.0
No symbol table info available.
#2 0x00007ffff7b1a39d in recon_b_intra_8bpc () from /home/kagami/code/tmp/dav1d/build/libdav1d.so.0
No symbol table info available.
#3 0x00007ffff7aa132d in decode_b () from /home/kagami/code/tmp/dav1d/build/libdav1d.so.0
No symbol table info available.
#4 0x00007ffff7aa9498 in decode_sb () from /home/kagami/code/tmp/dav1d/build/libdav1d.so.0
No symbol table info available.
#5 0x00007ffff7aa919c in decode_sb () from /home/kagami/code/tmp/dav1d/build/libdav1d.so.0
No symbol table info available.
#6 0x00007ffff7aa9161 in decode_sb () from /home/kagami/code/tmp/dav1d/build/libdav1d.so.0
No symbol table info available.
#7 0x00007ffff7aa9907 in decode_tile_sbrow () from /home/kagami/code/tmp/dav1d/build/libdav1d.so.0
No symbol table info available.
#8 0x00007ffff7aaba51 in decode_frame () from /home/kagami/code/tmp/dav1d/build/libdav1d.so.0
No symbol table info available.
#9 0x00007ffff7aaca20 in submit_frame () from /home/kagami/code/tmp/dav1d/build/libdav1d.so.0
No symbol table info available.
#10 0x00007ffff7a9b3f7 in parse_obus () from /home/kagami/code/tmp/dav1d/build/libdav1d.so.0
No symbol table info available.
#11 0x00007ffff7b6969b in dav1d_decode () from /home/kagami/code/tmp/dav1d/build/libdav1d.so.0
No symbol table info available.
#12 0x000055555555553d in main ()
No symbol table info available.