Improve `DispatchFromDyn` and `CoerceUnsized` impl validation#135228

Merged

bors merged 3 commits intorust-lang:masterfrom

compiler-errors:normalizes-ur-dispatch

Jan 15, 2025

Commits on Jan 8, 2025

Don't allow transmuting ZSTs in dispatch_from_dyn impl
compiler-errors
committed
Don't allow DispatchFromDyn impls that transmute ZST to non-ZST
compiler-errors
committed

Commits on Jan 14, 2025

Normalize field before checking PhantomData in coerce/dispatch impl validation
compiler-errors
committed