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When compiling with Swift 6 mode, but using a serialized module that is using Swift 5 that contains a struct with global-actor isolation on its stored property, we should not emit an error for that stored property. Only a warning was emitted when compiling that module, but the checks here were treating that module as being type-checked again under a Swift 6 world.
19 lines
775 B
Swift
19 lines
775 B
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -emit-module -swift-version 5 -emit-module-path %t/SerializedStruct.swiftmodule -module-name SerializedStruct %S/Inputs/SerializedStruct.swift
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// RUN: %target-swift-frontend %s -typecheck -disable-availability-checking -swift-version 6 -I %t
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// REQUIRES: concurrency
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// REQUIRES: asserts
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// This test ensures that, when loading a Swift 5 serialized module with
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// a global-actor annotation that is an error in Swift 6, but only a warning
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// in Swift 5, then we do not reject the import as an error.
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import SerializedStruct
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// use it to force the right checks happen.
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func test() async -> Int {
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let x = MySerializedStruct()
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return await x.counter // Because the module is from Swift 5, an await is needed.
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}
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