[Bug bootstrap/81037] Xcode 9 requires back ports on gcc-5-branch and gcc-6-branch for bootstrapping under Xcode 9

[howarth.at.gcc at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81037

--- Comment #3 from Jack Howarth <howarth.at.gcc at gmail dot com> ---
(In reply to Jack Howarth from comment #1)
> Created attachment 41522 [details]
> reproducer for gcc 6.3.0 bootstrap failure with Xcode 9 beta
> 
> bzip2 compressed archive with auto-profile.ii preprocessed source to
> reproduce bootstrap failure under Xcode 9 beta on OS X 10.12 using the
> supplied compile shell script.

The offending preprocessed source in this case is actually darwin-driver.ii.