gdb does not recognise the elf format

[ilg-ul]

Same as xpack-dev-tools/riscv-none-elf-gcc-xpack#22:

ilg@xbbli:~$ /home/ilg/.local/xPacks/@xpack-dev-tools/aarch64-none-elf-gcc/12.3.1-1.1.1/.content/bin/aarch64-none-elf-gdb -nx -nw --batch /home/ilg/Work/xpack-dev-tools/aarch64-none-elf-gcc-xpack.git/build/linux-x64/x86_64-pc-linux-gnu/tests/aarch64-none-elf-gcc/hello-cpp.elf
I'm sorry, Dave, I can't do that.  Symbol format `elf64-littleaarch64' unknown.
ilg@xbbli:~$ echo $?
1
ilg@xbbli:~$ file /home/ilg/Work/xpack-dev-tools/aarch64-none-elf-gcc-xpack.git/build/linux-x64/x86_64-pc-linux-gnu/tests/aarch64-none-elf-gcc/hello-cpp.elf
/home/ilg/Work/xpack-dev-tools/aarch64-none-elf-gcc-xpack.git/build/linux-x64/x86_64-pc-linux-gnu/tests/aarch64-none-elf-gcc/hello-cpp.elf: ELF 64-bit LSB executable, ARM aarch64, version 1 (SYSV), statically linked, with debug_info, not stripped
ilg@xbbli:~$ 

[ilg-ul]

Fixed in 12.3.1-2.1, on 2023-09-21.