[Bug middle-end/78769] [7 Regression] Incorrect arithmetic optimization for (a < 0) << 29 >> 1;

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78769

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This might have been just fixed by r243516 .