[Bug bootstrap/57438] bootstrap fails on x86_64 darwin in stage2 linking cc1

[mrs at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57438

--- Comment #23 from mrs at gcc dot gnu.org <mrs at gcc dot gnu.org> ---
On the platform, external symbols are defined to be 1 or more bytes.  0 is not
one or more.  Once that is fixed, then the problem goes away.  If you want to
have Apple update their abi for future systems to include zero byte objects,
you will have to ask them to change their abi.