// RUN: %target-typecheck-verify-swift -verify-ignore-unrelated class NotEquatable {} func test_ArrayOfNotEquatableIsNotEquatable() { var a = [ NotEquatable(), NotEquatable() ] // There is also a note attached to declaration - requirement from conditional conformance of '[NotEquatable]' to 'Equatable' if a == a {} // expected-error {{operator function '==' requires that 'NotEquatable' conform to 'Equatable'}} }