[Bug lto/88147] [9 Regression] ICE in linemap_line_start, at libcpp/line-map.c:781 starting from r265875

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88147

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #1)
> Hmm, this looks like another overfow in line map - my understanding is that
> the assert checks that correct line number is added.  I am not quite
> line_map expert :)

Well, I'll try to run the creduce over weekend, hopefully we'll end up with a
smaller test-case.