Function rustc_hir_typeck::upvar::restrict_precision_for_drop_types

fn restrict_precision_for_drop_types<'a, 'tcx>(
    fcx: &'a FnCtxt<'a, 'tcx>,
    place: Place<'tcx>,
    curr_mode: UpvarCapture
) -> (Place<'tcx>, UpvarCapture)

Rust doesn’t permit moving fields out of a type that implements drop