tests/ui/consts/issue-25826.rs - toolchain/rustc - Git at Google

 fn id<T>(t: T) -> T { t }
 fn main() {
     const A: bool = unsafe { id::<u8> as *const () < id::<u16> as *const () };
     //~^ ERROR pointers cannot
     println!("{}", A);
 }
	fn id<T>(t: T) -> T { t }
	fn main() {
	const A: bool = unsafe { id::<u8> as const () < id::<u16> as const () };
	//~^ ERROR pointers cannot
	println!("{}", A);
	}