src/test/ui/type-alias-impl-trait/type-alias-impl-trait-with-cycle-error.rs

   1 // revisions: min_tait full_tait
   2 #![feature(min_type_alias_impl_trait)]
   3 #![cfg_attr(full_tait, feature(type_alias_impl_trait))]
   4 //[full_tait]~^ WARN incomplete
   5
   6 type Foo = impl Fn() -> Foo;
   7 //~^ ERROR: could not find defining uses
   8
   9 fn crash(x: Foo) -> Foo {
  10     x
  11 }
  12
  13 fn main() {
  14
  15 }