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f0ff68e707
Make sure that "affected" declaration is recognized as the one to which result type is attached to if the requirement failure is originated in contextual type of `return` statement/expression. Resolves: SR-13992 Resolves: rdar://72819046 Resolves: rdar://57789606
30 lines
582 B
Swift
30 lines
582 B
Swift
// RUN: %target-typecheck-verify-swift
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// SR-13992
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protocol V {}
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protocol P1 {}
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protocol P2 {
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func bar() -> V
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}
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protocol P3 {}
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struct S<T> {
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var foo: T
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}
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extension S : P1 {}
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extension S : P2 where T: P3 { // expected-note {{requirement from conditional conformance of 'S<V>' to 'P2'}}
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func bar() -> V { fatalError() }
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}
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struct Q {
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var foo: V
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func test() -> P1 & P2 {
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S(foo: foo) // expected-error {{protocol 'V' as a type cannot conform to 'P3'}}
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// expected-note@-1 {{only concrete types such as structs, enums and classes can conform to protocols}}
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}
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}
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