fn place_projection_conflict<'tcx>( tcx: TyCtxt<'tcx>, body: &Body<'tcx>, pi1_local: Local, pi1_proj_base: &[PlaceElem<'tcx>], pi1_elem: PlaceElem<'tcx>, pi2_elem: PlaceElem<'tcx>, bias: PlaceConflictBias) -> Overlap