Rollup merge of #58780 - RalfJung:manually-drop, r=nagisa
Rollup merge of #58780 - RalfJung:manually-drop, r=nagisa

ManuallyDrop != MaybeUninit

Cc @Centril

aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust