HIR Typecheck - Use `possible_equate_type_bound` for pointer casts instead of fallback equality
HIR Typecheck - Use `possible_equate_type_bound` for pointer casts instead of fallback equality

thepowersgang/mrustc,thepowersgang/mrustc,thepowersgang/mrustc,thepowersgang/mrustc,thepowersgang/mrustc