bring back the noncopyable Job type in the _Concurrency lib

This reverts commit abe377c.

Co-authored-by: Konrad `ktoso` Malawski <konrad_malawski@apple.com>

Author: kavon

stdlib/public/Concurrency/PartialAsyncTask.swift

@@ -111,7 +111,7 @@ extension UnownedJob: CustomStringConvertible {
 /// you don't generally interact with jobs directly.
 @available(SwiftStdlib 5.9, *)
 @frozen
-// @_moveOnly // FIXME(moveonly): rdar://107050387 Move-only types fail to be found sometimes, must fix or remove Job before shipping
+@_moveOnly
 public struct Job: Sendable {
   internal var context: Builtin.Job
 

test/Concurrency/Runtime/custom_executors_moveOnly_job.swift

@@ -3,7 +3,7 @@
 // REQUIRES: concurrency
 // REQUIRES: executable_test
 
-// FIXME(moveonly): rdar://106849189 move-only types should be supported in freestanding mode
+// rdar://106849189 move-only types should be supported in freestanding mode
 // UNSUPPORTED: freestanding
 
 // FIXME: rdar://107112715 test failing on iOS simulator, investigating
@@ -13,11 +13,7 @@
 // REQUIRES: concurrency_runtime
 
 final class InlineExecutor: SerialExecutor, CustomStringConvertible {
-// FIXME(moveonly): rdar://107050387 Move-only types fail to be found sometimes, must fix or remove Job before shipping
-//  public func enqueue(_ job: __owned Job) {
-//    job.runSynchronously(on: self.asUnownedSerialExecutor())
-//  }
-  public func enqueue(_ job: UnownedJob) {
+  public func enqueue(_ job: __owned Job) {
     job.runSynchronously(on: self.asUnownedSerialExecutor())
   }
 

test/Concurrency/Runtime/custom_executors_priority.swift

@@ -13,12 +13,7 @@
 // REQUIRES: concurrency_runtime
 
 final class InlineExecutor: SerialExecutor {
-// FIXME(moveonly): rdar://107050387 Move-only types fail to be found sometimes, must fix or remove Job before shipping
-//  public func enqueue(_ job: __owned Job) {
-//    print("\(self): enqueue (priority: \(TaskPriority(job.priority)!))")
-//    job.runSynchronously(on: self.asUnownedSerialExecutor())
-//  }
-  public func enqueue(_ job: UnownedJob) {
+  public func enqueue(_ job: __owned Job) {
     print("\(self): enqueue (priority: \(TaskPriority(job.priority)!))")
     job.runSynchronously(on: self.asUnownedSerialExecutor())
   }

test/Concurrency/Runtime/custom_executors_protocol.swift

@@ -38,17 +38,9 @@ final class NaiveQueueExecutor: SpecifiedExecutor, CustomStringConvertible {
     self.queue = queue
   }
 
-// FIXME(moveonly): rdar://107050387 Move-only types fail to be found sometimes, must fix or remove Job before shipping
-//  public func enqueue(_ job: __owned Job) {
-//    print("\(self): enqueue")
-//    let unowned = UnownedJob(job)
-//    queue.sync {
-//      unowned.runSynchronously(on: self.asUnownedSerialExecutor())
-//    }
-//    print("\(self): after run")
-//  }
-  public func enqueue(_ unowned: UnownedJob) {
+  public func enqueue(_ job: __owned Job) {
     print("\(self): enqueue")
+    let unowned = UnownedJob(job)
     queue.sync {
       unowned.runSynchronously(on: self.asUnownedSerialExecutor())
     }

test/Concurrency/custom_executor_enqueue_impls.swift

@@ -1,12 +1,9 @@
 // RUN: %target-typecheck-verify-swift -enable-experimental-move-only -disable-availability-checking
 // REQUIRES: concurrency
 
-// FIXME(moveonly): rdar://106849189 move-only types should be supported in freestanding mode
+// rdar://106849189 move-only types should be supported in freestanding mode
 // UNSUPPORTED: freestanding
 
-// FIXME(moveonly): rdar://107050387 Move-only types fail to be found sometimes, must fix or remove Job before shipping
-// REQUIRES: radr107050387
-
 // FIXME: rdar://107112715 test failing on iOS simulator, investigating
 // UNSUPPORTED: OS=ios
 

test/IRGen/async/builtin_executor.sil

@@ -1,12 +1,9 @@
 // RUN: %target-swift-frontend  -primary-file %s -module-name=test -disable-llvm-optzns -disable-swift-specific-llvm-optzns -emit-ir -sil-verify-all | %IRGenFileCheck %s
 
 // REQUIRES: concurrency
-// FIXME(moveonly): rdar://106849189 move-only types should be supported in freestanding mode
+// rdar://106849189 move-only types should be supported in freestanding mode
 // UNSUPPORTED: freestanding
 
-// FIXME(moveonly): rdar://107050387 Move-only types fail to be found sometimes, must fix or remove Job before shipping
-// REQUIRES: radr107050387
-
 sil_stage canonical
 
 import Builtin