Function insert_uninhabited_enum_check

fn insert_uninhabited_enum_check<'tcx>(
    tcx: TyCtxt<'tcx>,
    local_decls: &mut IndexVec<Local, LocalDecl<'tcx>>,
    block_data: &mut BasicBlockData<'tcx>,
    source_info: SourceInfo,
    new_block: BasicBlock,
)