[Bug preprocessor/81745] missing warning with -pedantic when a C file does not end with a newline character

[vincent-gcc at vinc17 dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81745

--- Comment #8 from Vincent Lefèvre <vincent-gcc at vinc17 dot net> ---
(In reply to Vincent Lefèvre from comment #7)
> Here one gets two different results!

For this latest issue (which is the cause of the error in C), I've reported
PR81746.