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Add a regression test for https://bugs.swift.org/browse/SR-15790 #41094

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Merged
swift-ci merged 1 commit into from
Jan 30, 2022
Merged

Add a regression test for https://bugs.swift.org/browse/SR-15790 #41094

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20 changes: 20 additions & 0 deletions test/Generics/sr15790.swift
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Original file line number Diff line number Diff line change
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// RUN: %target-swift-frontend -typecheck %s -debug-generic-signatures -requirement-machine-protocol-signatures=on 2>&1 | %FileCheck %s

// CHECK-LABEL: sr15790.(file).P1@
// CHECK-NEXT: Requirement signature: <Self where Self.[P1]X : P1, Self.[P1]X == Self.[P1]X.[P1]X>
public protocol P1 {
associatedtype X: P1 where X.X == X
}

// CHECK-LABEL: sr15790.(file).P2@
// CHECK-NEXT: Requirement signature: <Self where Self : Collection, Self : P1, Self.[Sequence]Element : P1, Self.[P1]X == Self.[P2]Z.[P2]Y, Self.[P2]Y : P3, Self.[P2]Z : P2>
public protocol P2: Collection, P1 where Element: P1, X == Z.Y {
associatedtype Y: P3
associatedtype Z: P2
}

// CHECK-LABEL: sr15790.(file).P3@
// CHECK-NEXT: Requirement signature: <Self where Self : P2, Self.[P3]T : P2>
public protocol P3: P2 {
associatedtype T: P2
}