[Bug middle-end/106568] -freorder-blocks-algorithm appears to causes a crash in stable code, no way to disable it

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106568

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note I really doubt reorder-blocks would cause any issues unless there is some
other undefined code in there. An example might be even aliasing violations
(where the is no undefined sanitizer yet).