[Bug c/82787] gnu gcc (4.8 - 7.1) cannot parse some system headers in macOS (10.13)

[drikosev at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82787

--- Comment #2 from Ev Drikos <drikosev at gmail dot com> ---
(In reply to Andrew Pinski from comment #1)
> Can you provide the preprocessed source?

What command I should run?

Ev. Drikos