Alignment: move from ptr to mem and rename as_nonzero to as_nonzero_usize#154004

rust-bors[bot] merged 2 commits intorust-lang:mainrust-lang/rust:mainfrom

GrigorenkoPV:alignment/as_nonzero_usizeGrigorenkoPV/rust:alignment/as_nonzero_usizeCopy head branch name to clipboard