Function rustc_const_eval::const_eval::const_to_valtree_inner

fn const_to_valtree_inner<'tcx>(
    ecx: &InterpCx<'tcx, 'tcx, CompileTimeInterpreter<'tcx, 'tcx>>, 
    place: &MPlaceTy<'tcx>
) -> Option<ValTree<'tcx>>