|  | error: constant evaluation is taking a long time | 
|  | --> $DIR/issue-70723.rs:1:17 | 
|  | | | 
|  | LL | static _X: () = loop {}; | 
|  | |                 ^^^^^^^ | 
|  | | | 
|  | = note: this lint makes sure the compiler doesn't get stuck due to infinite loops in const eval. | 
|  | If your compilation actually takes a long time, you can safely allow the lint. | 
|  | help: the constant being evaluated | 
|  | --> $DIR/issue-70723.rs:1:1 | 
|  | | | 
|  | LL | static _X: () = loop {}; | 
|  | | ^^^^^^^^^^^^^ | 
|  | = note: `#[deny(long_running_const_eval)]` on by default | 
|  |  | 
|  | error: aborting due to 1 previous error | 
|  |  |