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0e7ad1e9a4
When performing an implicit module build, the frontend was prepending `-target-min-inlining-target target` to the command line. This was overriding the implicit `-target-min-inlining-target min` argument that is implied when `-library-level api` is specified. As a result, the wrong overload could be picked when compiling the body of an inlinable function to SIL for emission into the client, potentially resulting in crashes when the client of the module is back deployed to an older OS. Resolves rdar://109336472
57 lines
2.0 KiB
Swift
57 lines
2.0 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %empty-directory(%t/NonAPI)
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// RUN: %empty-directory(%t/API)
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// RUN: split-file %s %t
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// RUN: %target-swift-emit-module-interface(%t/NonAPI/Library.swiftinterface) %t/Library.swift -module-name Library -target %target-swift-abi-5.8-triple
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// RUN: %target-swift-emit-module-interface(%t/API/Library.swiftinterface) %t/Library.swift -module-name Library -target %target-swift-abi-5.8-triple -library-level api
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// Build Client.swift against the Library.swiftinterface without
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// `-library-level api`. Since the deployment target of the library is
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// SwiftStdlib 5.8, the newer overload that returns a String should be selected
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// by overload resolution during the implicit module build.
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// RUN: %target-build-swift %t/Client.swift -o %t/NonAPI/client -I %t/NonAPI/
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// RUN: %target-codesign %t/NonAPI/client
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// RUN: %target-run %t/NonAPI/client | %FileCheck %s --check-prefix=CHECK-NON-API
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// Build Client.swift against the Library.swiftinterface with
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// `-library-level api`. Since the deployment target of the client that will
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// get a copy of `fragileFuncUsingOverload()` is earlier than SwiftStdlib 5.8,
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// the older overload returning an Int should be selected during the implicit
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// module build even though the library targets SwiftStdlib 5.8.
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// RUN: %target-build-swift %t/Client.swift -o %t/API/client -I %t/API/
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// RUN: %target-codesign %t/API/client
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// RUN: %target-run %t/API/client | %FileCheck %s --check-prefix=CHECK-API
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// REQUIRES: executable_test
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// REQUIRES: OS=macosx || OS=ios || OS=tvos || OS=watchos
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//--- Library.swift
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@_disfavoredOverload
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@_alwaysEmitIntoClient
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public func overloadedFunc() -> Int {
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return 1234
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}
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@available(SwiftStdlib 5.8, *)
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@_alwaysEmitIntoClient
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public func overloadedFunc() -> String {
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return "String"
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}
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@_alwaysEmitIntoClient
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public func fragileFuncUsingOverload() -> any CustomStringConvertible {
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return overloadedFunc()
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}
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//--- Client.swift
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import Library
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// CHECK-NON-API: String
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// CHECK-API: 1234
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print(fragileFuncUsingOverload())
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