devel/freebsd-gcc12 based aarch64 nono-debug buildworld buildkernel: a Failure notice at/for stand/kboot/loader.kboot

self hosted aarch64 Non-debug buildworld Failure notice (from the .meta file):

. . .
/usr/local/libexec/gcc/aarch64-unknown-freebsd14.0/12.1.0/collect2 -plugin /usr/local/libexec/gcc/aarch64-unknown-freebsd14.0/12.1.0/liblto_plugin.so -plugin-opt=/usr/local/libexec/gcc/aarch64-unknow
n-freebsd14.0/12.1.0/lto-wrapper -plugin-opt=-fresolution=/tmp//cc75dLgJ.res --sysroot=/usr/obj/BUILDs/main-CA72-nodbg-gccxtc/usr/main-src/arm64.aarch64/tmp -V -Bstatic -X -maarch64fbsd -EL -o loader.
kboot -L/usr/local/aarch64-unknown-freebsd14.0/bin -L/usr/local/lib/gcc/aarch64-unknown-freebsd14.0/12.1.0 -L/usr/obj/BUILDs/main-CA72-nodbg-gccxtc/usr/main-src/arm64.aarch64/tmp/usr/lib -zrelro booti
nfo.o conf.o crt1.o gfx_fb_stub.o host_syscalls.o hostcons.o hostdisk.o hostfs.o init.o kbootfdt.o main.o seg.o termios.o util.o vers.o host_syscall.o tramp.o exec.o load_addr.o fdt_arch.o cache.o boo
t.o commands.o console.o devopen.o interp.o interp_backslash.o interp_parse.o ls.o misc.o modinfo.o module.o nvstore.o pnglite.o tslog.o load_elf64.o reloc_elf64.o disk.o part.o vdisk.o interp_lua.o z
fs_cmd.o /usr/obj/BUILDs/main-CA72-nodbg-gccxtc/usr/main-src/arm64.aarch64/stand/liblua/liblua.a /usr/obj/BUILDs/main-CA72-nodbg-gccxtc/usr/main-src/arm64.aarch64/stand/fdt/libfdt.a /usr/obj/BUILDs/ma
in-CA72-nodbg-gccxtc/usr/main-src/arm64.aarch64/stand/libsa/libsa.a -T /usr/main-src/stand/kboot/arch/aarch64/ldscript.aarch64
GNU ld (GNU Binutils) 2.39
  Supported emulations:
   aarch64fbsd
   aarch64fbsdb
   aarch64elf
/usr/local/bin/aarch64-unknown-freebsd14.0-ld: target elf64-aarch64 not found
collect2: error: ld returned 1 exit status
. . .
*** [loader.kboot] Error code 1

make[4]: stopped in /usr/main-src/stand/kboot
.ERROR_TARGET='loader.kboot'
.ERROR_META_FILE='/usr/obj/BUILDs/main-CA72-nodbg-gccxtc/usr/main-src/arm64.aarch64/stand/kboot/loader.kboot.meta'
.MAKE.LEVEL='4'
MAKEFILE=''
. . .


(It will be some time before the debug build would get as far
as the above.)


===
Mark Millard
marklmi at yahoo.com