Update library/core/src/mem/maybe_uninit.rs

Co-authored-by: Ralf Jung <[email protected]>

Author: joshlf

library/core/src/mem/maybe_uninit.rs

@@ -274,8 +274,8 @@ use crate::{fmt, intrinsics, ptr, slice};
 /// ```
 ///
 /// If the representation of `t` contains initialized bytes at byte offsets where `U` contains padding bytes, these
-/// may not be preserved in `MaybeUninit<U>`, and so `transmute(u)` may produce a `T` with
-/// uninitialized bytes in these positions. This is an active area of discussion, and this code
+/// may not be preserved in `MaybeUninit<U>`. Interpreting the representation of `u` at type `T` again (i.e., `transmute(u)` above) may thus
+/// be undefined behavior or yield a value different from `t` due to those bytes being lost. This is an active area of discussion, and this code
 /// may become sound in the future.
 
 /// If byte offsets exists at which `T`'s representation does not permit uninitialized bytes but