[Bug c/82695] gnu gcc (4.8 - 7.1) cannot parse some system headers in macOS (10.12)

[drikosev at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82695

--- Comment #2 from Ev Drikos <drikosev at gmail dot com> ---
The patch in PR/69960 indeed solves the problem described in PR/69960.

I'll wait until next gcc release to see if it also solves the problem described
in this PR.

Thanks,
Ev. Drikos