1 error[E0644]: closure/generator type that references itself
2 --> $DIR/unboxed-closure-no-cyclic-sig.rs:8:7
5 | ^^^ cyclic type of infinite size
7 = note: closures cannot capture themselves or take themselves as argument;
8 this error may be the result of a recent compiler bug-fix,
9 see issue #46062 <https://github.com/rust-lang/rust/issues/46062>
11 note: required by a bound in `g`
12 --> $DIR/unboxed-closure-no-cyclic-sig.rs:5:24
14 LL | fn g<F>(_: F) where F: FnOnce(Option<F>) {}
15 | ^^^^^^^^^^^^^^^^^ required by this bound in `g`
17 error: aborting due to previous error
19 For more information about this error, try `rustc --explain E0644`.