| // RUN: %target-typecheck-verify-swift |
| // RUN: %target-swift-frontend -typecheck -debug-generic-signatures %s 2>&1 | %FileCheck %s |
| // RUN: %target-swift-frontend -primary-file %s -emit-ir -o - |
| |
| protocol P1 { } |
| |
| protocol P2 { |
| associatedtype Assoc // expected-note{{'Assoc' declared here}} |
| } |
| |
| // CHECK-LABEL: .P3@ |
| // CHECK-NEXT: Requirement signature: <Self where Self : P2, Self.Assoc == ConformsToP1> |
| protocol P3 : P2 { } |
| |
| struct S0<M: P3> where M.Assoc: P1 { } // expected-warning{{redundant conformance constraint 'M.Assoc': 'P1'}} |
| // expected-note@-1{{conformance constraint 'M.Assoc': 'P1' implied here}} |
| |
| struct ConformsToP1: P1 { } |
| |
| extension P3 { |
| typealias Assoc = ConformsToP1 // expected-warning{{typealias overriding associated type 'Assoc' from protocol 'P2' is better expressed as same-type constraint on the protocol}} |
| } |
| |
| protocol P5 { |
| } |
| |
| extension P5 { |
| // CHECK-LABEL: P5 extension.testSR7097 |
| // CHECK-NEXT: Generic signature: <Self, M where Self : P5, M : P3> |
| // CHECK-NEXT: <τ_0_0, τ_1_0 where τ_0_0 : P5, τ_1_0 : P3> |
| func testSR7097<M>(_: S0<M>.Type) {} |
| } |
