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30 lines
811 B
Swift
30 lines
811 B
Swift
// RUN: %target-typecheck-verify-swift -warn-redundant-requirements
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// https://github.com/apple/swift/issues/57264
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protocol P {
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associatedtype A
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associatedtype AS: Q where AS.B == A
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}
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protocol Q {
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associatedtype B
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}
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struct S1<T : P> where T.AS.B == T.A {}
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// expected-warning@-1 {{redundant same-type constraint 'T.AS.B' == 'T.A'}}
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struct S2<T: P> {
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struct Nested where T.AS.B == T.A {}
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// expected-warning@-1 {{redundant same-type constraint 'T.AS.B' == 'T.A'}}
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}
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extension S2 where T.AS.B == T.A {}
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// expected-warning@-1 {{redundant same-type constraint 'T.AS.B' == 'T.A'}}
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extension P where AS.B == A {}
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// expected-warning@-1 {{redundant same-type constraint 'Self.AS.B' == 'Self.A'}}
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extension P where Self : P {}
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// expected-warning@-1 {{redundant conformance constraint 'Self' : 'P'}}
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