[Bug c++/89923] printf format check and char8_t

[tom at honermann dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89923

--- Comment #6 from Tom Honermann <tom at honermann dot net> ---
(In reply to jos...@codesourcery.com from comment #5)
> We (GCC) don't control printf;

I know, by "we" I meant the C and C++ standards community.

> the format checking should match what the 
> actual libc supports.

Agreed.