Function rustc_mir::transform::simplify_try::match_set_variant_field

pub(in transform::simplify_try) fn match_set_variant_field<'tcx>(
    stmt: &Statement<'tcx>
) -> Option<(Local, Local, VarField<'tcx>)>

Match on:

((_LOCAL_FROM as Variant).FIELD: TY) = move _LOCAL_INTO;