[Bug ipa/78555] gcc/sreal.c:232:20: runtime error: left shift of negative value -2018967552

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78555

--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
I also hit:

gcc/real.c:2890:25: runtime error: left shift of negative value -125