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If a function's parameter or return types involve nominal types that have been moved across modules using @_originallyDefinedIn, we must take care to always mangle the opaque result type's name using the original module names and not the current module names. This was a problem with DWARF mangling, which normally disables @_originallyDefinedIn for other purposes. Make sure to always temporarily re-enable it when mangling an opaque result type. Fixes rdar://problem/93822207.
31 lines
1.1 KiB
Swift
31 lines
1.1 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-emit-module-interface(%t/CoreVegetable.swiftinterface) %S/Inputs/CoreVegetable.swift -disable-availability-checking
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// RUN: %target-swift-typecheck-module-from-interface(%t/CoreVegetable.swiftinterface)
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// RUN: %target-swift-emit-module-interface(%t/CoreChef.swiftinterface) %s -module-name CoreChef -I %t -disable-availability-checking -DLIB
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// RUN: %target-swift-typecheck-module-from-interface(%t/CoreChef.swiftinterface) -module-name CoreChef -I %t -disable-availability-checking
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// Also build the module itself with -g to exercise debug info round tripping.
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// RUN: %target-swift-frontend -emit-ir -g %s -I %t -disable-availability-checking
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// RUN: %FileCheck %s < %t/CoreChef.swiftinterface
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// REQUIRES: OS=macosx
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import CoreVegetable
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public protocol Soup {}
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public struct VegetableSoup : Soup {}
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public protocol Chef {
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associatedtype Food
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func cookSoup(_: Vegetable) -> Food
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}
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public struct SoupChef : Chef {
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public func cookSoup(_: Vegetable) -> some Soup { VegetableSoup() }
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}
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// CHECK-LABEL: public typealias Food = @_opaqueReturnTypeOf("$s8CoreChef04SoupB0V04cookC0yQr0aC09VegetableVF", 0) __
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