1 error[E0641]: cannot cast to a pointer of an unknown kind
2 --> $DIR/issue-99122.rs:5:27
4 LL | let pointer = 1u32 as *const _;
5 | ^^^^^^^^ needs more type information
7 = note: the type information given here is insufficient to check whether the pointer cast is valid
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0641`.