[Bug c/89569] line number is not accurate on large file with more than UINT32_MAX actual lines

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89569

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Why would 3 be the expected value? Line numbers are natural numbers, not
uint32.