https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71383
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- If you marked the variable as used the branch comes back. This definitely should be referenced too. https://gcc.gnu.org/onlinedocs/gcc-12.2.0/gcc/Common-Variable-Attributes.html#index-used-variable-attribute
