[Bug tree-optimization/93781] Optimizer produces suboptimal code related to -ftree-vrp

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93781

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Note, 7.x is not supported anymore.  If this is going to be changed, it would
be for GCC 11, different source file, different routine...