src/test/ui/issues/issue-25439.stderr

   1 error[E0644]: closure/generator type that references itself
   2   --> $DIR/issue-25439.rs:8:9
   3    |
   4 LL |     fix(|_, x| x);
   5    |         ^^^^^^^^ cyclic type of infinite size
   6    |
   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>
  10            for more information
  11
  12 error: aborting due to previous error
  13
  14 For more information about this error, try `rustc --explain E0644`.