Return `false` from `needs_drop` for all zero-sized arrays
Return `false` from `needs_drop` for all zero-sized arrays

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