netbsd build error (15)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: b31a646a2bfb Switch sh3 to binutils 2.39
git tree: netbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=10910669480000
kernel config: https://syzkaller.appspot.com/x/.config?x=fab579639ba4bf0a
dashboard link: https://syzkaller.appspot.com/bug?extid=f23652711e2ceca350f0
compiler: g++ (Debian 10.2.1-6) 10.2.1 20210110

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+f23652...@syzkaller.appspotmail.com

(.text+0x11a): undefined reference to `intrfastexit'
(.text.user+0x1078): undefined reference to `do_iret'
obj/tooldir.Linux-5.9.0-0.bpo.5-cloud-amd64-x86_64/bin/x86_64--netbsd-ld: (.text.user+0x1097): undefined reference to `do_mov_es'
obj/tooldir.Linux-5.9.0-0.bpo.5-cloud-amd64-x86_64/bin/x86_64--netbsd-ld: (.text.user+0x10a5): undefined reference to `do_mov_ds'
obj/tooldir.Linux-5.9.0-0.bpo.5-cloud-amd64-x86_64/bin/x86_64--netbsd-ld: (.text.user+0x10b3): undefined reference to `do_mov_fs'
obj/tooldir.Linux-5.9.0-0.bpo.5-cloud-amd64-x86_64/bin/x86_64--netbsd-ld: (.text.user+0x10c1): undefined reference to `do_mov_gs'
(.text+0x272): undefined reference to `intrfastexit'
sys/arch/amd64/amd64/db_interface.c:120: undefined reference to `Xintr_ddbipi'
obj/tooldir.Linux-5.9.0-0.bpo.5-cloud-amd64-x86_64/bin/x86_64--netbsd-ld: sys/arch/amd64/amd64/db_interface.c:120: undefined reference to `Xintr_x2apic_ddbipi'
sys/arch/amd64/amd64/machdep.c:1107: undefined reference to `PDPpaddr'
obj/tooldir.Linux-5.9.0-0.bpo.5-cloud-amd64-x86_64/bin/x86_64--netbsd-ld: sys/arch/amd64/amd64/machdep.c:1107: undefined reference to `PDPpaddr'
sys/arch/amd64/amd64/machdep.c:1569: undefined reference to `atdevbase'
obj/tooldir.Linux-5.9.0-0.bpo.5-cloud-amd64-x86_64/bin/x86_64--netbsd-ld: sys/arch/amd64/amd64/machdep.c:1576: undefined reference to `PDPpaddr'
sys/arch/amd64/amd64/machdep.c:1589: undefined reference to `nox_flag'
obj/tooldir.Linux-5.9.0-0.bpo.5-cloud-amd64-x86_64/bin/x86_64--netbsd-ld: sys/arch/amd64/amd64/machdep.c:1589: undefined reference to `nox_flag'
obj/tooldir.Linux-5.9.0-0.bpo.5-cloud-amd64-x86_64/bin/x86_64--netbsd-ld: sys/arch/amd64/amd64/machdep.c:1589: undefined reference to `PDPpaddr'
sys/arch/amd64/amd64/machdep.c:1718: undefined reference to `lwp0uarea'
obj/tooldir.Linux-5.9.0-0.bpo.5-cloud-amd64-x86_64/bin/x86_64--netbsd-ld: sys/arch/amd64/amd64/machdep.c:1718: undefined reference to `lwp0uarea'
obj/tooldir.Linux-5.9.0-0.bpo.5-cloud-amd64-x86_64/bin/x86_64--netbsd-ld: sys/arch/amd64/amd64/machdep.c:1736: undefined reference to `PDPpaddr'
obj/tooldir.Linux-5.9.0-0.bpo.5-cloud-amd64-x86_64/bin/x86_64--netbsd-ld: sys/arch/amd64/amd64/machdep.c:1934: undefined reference to `Xosyscall'

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[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.