[Bug tree-optimization/90149] diagnostics containing BIT_FIELD_REF don't conform to diagnostics guideline

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90149

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Actually it was reported by you :)
PR 79878