[Bug c++/125656] "warning: left shift count >= width of type [-Wshift-count-overflow]" inaccurate

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125656

--- Comment #8 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 64672
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64672&action=edit
Semi reduced