[Bug preprocessor/108900] [libcpp] cpp gives wrong line number information with a file huge number of lines

[libin.dang at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108900

--- Comment #2 from Libin Dang <libin.dang at gmail dot com> ---
The reason we rose this issue is that it broken our internal code coverage test
suite.