[Bug c/113378] _Static_assert diagnostics lack information when compiling stdin

[alx at kernel dot org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113378

--- Comment #2 from Alejandro Colomar <alx at kernel dot org> ---
(In reply to Andrew Pinski from comment #1)
> >I expect the same diagnostic information when compiling stdin.
> 
> 
> This part of the diagnostic:
>     2 | foo();
>       | ^~~
> 
> Comes from re-reading in the source file.

Makes sense.

I've tested with other diagnostics, and it's a general thing, not just about
static_assert().  Sorry, for the bogus bug report :)