| // RUN: %target-typecheck-verify-swift | |
| struct Foo<T> {} | |
| protocol P1 { | |
| associatedtype A // expected-note {{protocol requires nested type 'A'; do you want to add it?}} | |
| } | |
| extension Foo: P1 where A : P1 {} // expected-error {{unsupported recursion for reference to associated type 'A' of type 'Foo<T>'}} | |
| // expected-error@-1 {{type 'Foo<T>' does not conform to protocol 'P1'}} |