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3018becde7
Use ExtensionDecl::getExtendedNominal() to wire up extensions to their nominal types early in type checking (the bindExtensions()) operation, rather than going through type validation to do so.
33 lines
1.1 KiB
Swift
33 lines
1.1 KiB
Swift
// RUN: %target-typecheck-verify-swift
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// RUN: %target-swift-frontend -typecheck -debug-generic-signatures %s 2>&1 | %FileCheck %s
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// RUN: %target-swift-frontend -primary-file %s -emit-ir -o -
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protocol P1 { }
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protocol P2 {
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associatedtype Assoc // expected-note{{'Assoc' declared here}}
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}
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// CHECK-LABEL: .P3@
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// CHECK-NEXT: Requirement signature: <Self where Self : P2, Self.Assoc == ConformsToP1>
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protocol P3 : P2 { }
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struct S0<M: P3> where M.Assoc: P1 { } // expected-warning{{redundant conformance constraint 'M.Assoc': 'P1'}}
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// expected-note@-1{{conformance constraint 'M.Assoc': 'P1' implied here}}
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struct ConformsToP1: P1 { }
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extension P3 {
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typealias Assoc = ConformsToP1 // expected-warning{{typealias overriding associated type 'Assoc' from protocol 'P2' is better expressed as same-type constraint on the protocol}}
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}
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protocol P5 {
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}
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extension P5 {
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// CHECK-LABEL: P5 extension.testSR7097
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// CHECK-NEXT: Generic signature: <Self, M where Self : P5, M : P3>
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// CHECK-NEXT: <τ_0_0, τ_1_0 where τ_0_0 : P5, τ_1_0 : P3>
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func testSR7097<M>(_: S0<M>.Type) {}
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}
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