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error: function cannot return without recursing
--> $DIR/lint-unconditional-recursion-tail-calls.rs:5:1
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LL | fn f(x: bool) {
| ^^^^^^^^^^^^^ cannot return without recursing
...
LL | f(!x)
| ----- recursive call site
|
= help: a `loop` may express intention better if this is on purpose
note: the lint level is defined here
--> $DIR/lint-unconditional-recursion-tail-calls.rs:2:9
|
LL | #![deny(unconditional_recursion)]
| ^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 1 previous error
|
