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a3b4e90bb2
With this deprecation emitted by the compiler some codebases that support many old Swift versions have been forced into warnings they cannot avoid due to the compatibility promises they made. This removes the warning but changes no functionality.
76 lines
3.1 KiB
Swift
76 lines
3.1 KiB
Swift
// RUN: %target-swift-frontend -enable-experimental-move-only %s -emit-sil -o /dev/null -verify
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// RUN: %target-swift-frontend -enable-experimental-move-only %s -emit-sil -o /dev/null -verify -strict-concurrency=targeted
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// RUN: %target-swift-frontend -enable-experimental-move-only %s -emit-sil -o /dev/null -verify -strict-concurrency=complete
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// RUN: %target-swift-frontend -enable-experimental-move-only %s -emit-sil -o /dev/null -verify -strict-concurrency=complete -enable-experimental-feature RegionBasedIsolation
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// REQUIRES: concurrency
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// REQUIRES: OS=macosx
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// REQUIRES: asserts
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// rdar://106849189 move-only types should be supported in freestanding mode
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// UNSUPPORTED: freestanding
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/// Such a type may be encountered since Swift 5.5 (5.1 backdeployed) if someone implemented the
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/// not documented, but public Executor types back then already. Allow these to be implemented
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/// without warnings.
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@available(SwiftStdlib 5.1, *)
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final class OldExecutorOldStdlib: SerialExecutor {
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func enqueue(_ job: UnownedJob) {}
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func asUnownedSerialExecutor() -> UnownedSerialExecutor {
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UnownedSerialExecutor(ordinary: self)
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}
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}
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/// We warn on the ExecutorJob witness if the type has a broader
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/// availability, since in this case the UnownedJob version needs to exist.
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@available(SwiftStdlib 5.1, *)
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final class BothExecutorOldStdlib: SerialExecutor {
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func enqueue(_ job: UnownedJob) {} // expected-note{{'enqueue' declared here}}
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@available(SwiftStdlib 5.9, *)
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func enqueue(_ job: __owned ExecutorJob) {} // expected-warning{{'Executor.enqueue(ExecutorJob)' will never be used, due to the presence of 'enqueue(UnownedJob)'}}
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func asUnownedSerialExecutor() -> UnownedSerialExecutor {
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UnownedSerialExecutor(ordinary: self)
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}
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}
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/// Meanwhile, we warn on the UnownedJob overload if the availability is new enough
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/// that it can be dropped.
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@available(SwiftStdlib 5.9, *)
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final class BothExecutorNewStdlib: SerialExecutor {
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func enqueue(_ job: UnownedJob) {} // no warning, we're not deprecating the UnownedJob enqueue method yet
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func enqueue(_ job: __owned ExecutorJob) {}
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func asUnownedSerialExecutor() -> UnownedSerialExecutor {
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UnownedSerialExecutor(ordinary: self)
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}
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}
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@available(SwiftStdlib 5.9, *)
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final class TripleExecutor: SerialExecutor {
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func enqueue(_ job: UnownedJob) {} // no warning, we're not deprecating the UnownedJob enqueue method yet
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// expected-warning@+2{{'Job' is deprecated: renamed to 'ExecutorJob'}}
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// expected-note@+1{{use 'ExecutorJob' instead}}
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func enqueue(_ job: __owned Job) {} // expected-warning{{'Executor.enqueue(Job)' is deprecated as a protocol requirement; conform type 'TripleExecutor' to 'Executor' by implementing 'func enqueue(ExecutorJob)' instead}}
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func enqueue(_ job: consuming ExecutorJob) {}
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func asUnownedSerialExecutor() -> UnownedSerialExecutor {
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UnownedSerialExecutor(ordinary: self)
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}
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}
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/// Implementing the new signature on 5.9 platforms is good, no warnings
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@available(SwiftStdlib 5.9, *)
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final class NewExecutorNewStdlib: SerialExecutor {
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func enqueue(_ job: __owned ExecutorJob) {}
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func asUnownedSerialExecutor() -> UnownedSerialExecutor {
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UnownedSerialExecutor(ordinary: self)
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}
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}
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