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eacca4ed0c
Add requests for checking whether a class, protocol, or enum have circular references in their inheritance lists.
19 lines
797 B
Swift
19 lines
797 B
Swift
// RUN: %target-typecheck-verify-swift
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// With a bit of effort, we could make this work -- but for now, let's just
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// not crash.
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protocol P {
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var x: Int { get set } // expected-note {{protocol requires property 'x' with type 'Int'; do you want to add a stub?}}
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}
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struct S : P { // expected-error {{type 'S' does not conform to protocol 'P'}}
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static var x = 0 // expected-note {{candidate operates on a type, not an instance as required}}
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var x = S.x // expected-note {{candidate references itself}}
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}
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// FIXME: Lousy diagnostics on this case.
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protocol SR9224_Foo: SR9224_Foobar {} // expected-error 2 {{protocol 'SR9224_Foo' refines itself}}
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protocol SR9224_Bar: SR9224_Foobar {} // expected-note {{protocol 'SR9224_Bar' declared here}}
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typealias SR9224_Foobar = SR9224_Foo & SR9224_Bar
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