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23 lines
1.1 KiB
Swift
23 lines
1.1 KiB
Swift
// RUN: %target-typecheck-verify-swift -warn-redundant-requirements
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// RUN: %target-swift-frontend -typecheck %s -debug-generic-signatures 2>&1 | %FileCheck %s
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// FIXME(rqm-diagnostics): The redundant conformance warnings here should not be emitted, since
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// these requirements participate in conditional requirement inference.
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// CHECK-LABEL: conditional_requirement_inference_in_protocol.(file).Good@
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// CHECK-LABEL: Requirement signature: <Self where Self.[Good]T == [Self.[Good]U], Self.[Good]U : Equatable>
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protocol Good {
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associatedtype T : Equatable // expected-warning {{redundant conformance constraint 'Array<Self.U>' : 'Equatable'}}
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associatedtype U : Equatable where T == Array<U>
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// expected-warning@-1 {{redundant conformance constraint 'Self.U' : 'Equatable'}}
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}
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// CHECK-LABEL: conditional_requirement_inference_in_protocol.(file).Bad@
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// CHECK-LABEL: Requirement signature: <Self where Self.[Bad]T == [Self.[Bad]U], Self.[Bad]U : Equatable>
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protocol Bad {
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associatedtype T : Equatable // expected-warning {{redundant conformance constraint 'Array<Self.U>' : 'Equatable'}}
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associatedtype U where T == Array<U>
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}
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