[Bug c++/84744] cannot use glibc 2.27 with gcc 7.3

[developm...@faf-ltd.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84744

--- Comment #3 from Peter VARGA <developm...@faf-ltd.com> ---
(In reply to Andrew Pinski from comment #1)
> >-I /FaF/glibc/include
> 
> Use -isystem instead or a true sysroot instead.

Sorry, but this does not help.