warning: constant evaluation is taking a long time
  --> $DIR/ctfe-simple-loop.rs:10:5
   |
LL | /     while index < n {
...  |
LL | |     }
   | |_____^
   |
   = 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/ctfe-simple-loop.rs:19:1
   |
LL | const X: u32 = simple_loop(19);
   | ^^^^^^^^^^^^
note: the lint level is defined here
  --> $DIR/ctfe-simple-loop.rs:5:24
   |
LL | #![cfg_attr(warn, warn(long_running_const_eval))]
   |                        ^^^^^^^^^^^^^^^^^^^^^^^

warning: constant evaluation is taking a long time
  --> $DIR/ctfe-simple-loop.rs:10:5
   |
LL | /     while index < n {
...  |
LL | |     }
   | |_____^
   |
   = 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/ctfe-simple-loop.rs:20:1
   |
LL | const Y: u32 = simple_loop(35);
   | ^^^^^^^^^^^^

warning: constant evaluation is taking a long time
  --> $DIR/ctfe-simple-loop.rs:10:5
   |
LL | /     while index < n {
...  |
LL | |     }
   | |_____^ the const evaluator is currently interpreting this expression
   |
help: the constant being evaluated
  --> $DIR/ctfe-simple-loop.rs:20:1
   |
LL | const Y: u32 = simple_loop(35);
   | ^^^^^^^^^^^^

warning: 3 warnings emitted