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46 lines
1.4 KiB
Swift
46 lines
1.4 KiB
Swift
// RUN: %target-swift-frontend -typecheck %s -debug-generic-signatures 2>&1 | %FileCheck %s
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// RUN: %target-swift-frontend -typecheck %s -debug-generic-signatures -disable-requirement-machine-concrete-contraction 2>&1 | %FileCheck %s
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protocol P1 {
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associatedtype T
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}
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protocol P2 {
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associatedtype X : P2 where X.X == X
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associatedtype Y : P1 where Y.T == A
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}
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struct A : P2 {
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typealias X = A
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struct Y : P1 {
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typealias T = A
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}
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}
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struct B : P2 {
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typealias X = A
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struct Y : P1 {
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typealias T = A
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}
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}
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// CHECK-LABEL: concrete_nesting_elimination_order_2.(file).P3a@
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// CHECK-NEXT: Requirement signature: <Self where Self : P2, Self.[P2]X == A, Self.[P2]Y == B.Y>
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protocol P3a : P2 where X == A, Y == B.Y {}
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// CHECK-LABEL: concrete_nesting_elimination_order_2.(file).P3b@
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// CHECK-NEXT: Requirement signature: <Self where Self : P2, Self.[P2]X == A, Self.[P2]Y == B.Y>
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protocol P3b : P2 where X == X.Y.T, Y == B.Y {}
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// CHECK-LABEL: concrete_nesting_elimination_order_2.(file).P3ab@
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// CHECK-NEXT: Requirement signature: <Self where Self : P2, Self.[P2]X == A, Self.[P2]Y == B.Y>
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protocol P3ab : P2 where X == A, X == X.Y.T, Y == B.Y {}
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// CHECK-LABEL: concrete_nesting_elimination_order_2.(file).P3ba@
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// CHECK-NEXT: Requirement signature: <Self where Self : P2, Self.[P2]X == A, Self.[P2]Y == B.Y>
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protocol P3ba : P2 where X == X.Y.T, X == A, Y == B.Y {}
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