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error: constant evaluation is taking a long time
--> $DIR/ctfe-recursion.rs:9:9
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LL | recurse(n - 1)
| ^^^^^^^^^^^^^^
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= 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-recursion.rs:13:1
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LL | const X: u32 = recurse(19);
| ^^^^^^^^^^^^
= note: `#[deny(long_running_const_eval)]` on by default
error: aborting due to previous error
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