1 error[E0605]: non-primitive cast: `&&[i32; 1]` as `&[_]`
2 --> $DIR/issue-73886.rs:2:13
4 LL | let _ = &&[0] as &[_];
5 | ^^^^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
7 error[E0605]: non-primitive cast: `u32` as `Option<_>`
8 --> $DIR/issue-73886.rs:4:13
10 LL | let _ = 7u32 as Option<_>;
11 | ^^^^^^^^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
13 error: aborting due to 2 previous errors
15 For more information about this error, try `rustc --explain E0605`.