[Bug bootstrap/89864] [9 regression] gcc fails to build/bootstrap with XCode 10.2

[juergen.reuter at desy dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89864

--- Comment #5 from Jürgen Reuter <juergen.reuter at desy dot de> ---
My hunch is that it takes Apple too long to fix that issue, so a fix inside gcc
would be very much appreciated.