[Bug c++/88475] -E -fdirectives-only clashes with raw strings

[linux at carewolf dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88475

--- Comment #3 from Allan Jensen <linux at carewolf dot com> ---
No, it has to be a raw-string to be valid.
https://wandbox.org/permlink/I0yF3U3OXoH6LbIM