[Bug middle-end/77486] ubsan detects runtime error: left shift of negative value -3 at real_hash in real.c:2890

[zeccav at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77486

--- Comment #7 from Vittorio Zecca <zeccav at gmail dot com> ---
(In reply to Jakub Jelinek from comment #5)
> Even r246252 is more than 2 weeks old.  Why not latest trunk?

Because I have no time to download and check every trunk.