[Concurrency] Use the correct Dispatch clock.

al45tair · al45tair · commit 5b5f486a31fb · 2025-04-01T16:07:12.000+01:00
This caused a hard-to-reproduce bug where a machine that had slept for
a long time would take a very long time to run some of the tests because
we'd be scheduling Dispatch executions with the wrong clock.

rdar://148337712
diff --git a/stdlib/public/Concurrency/DispatchExecutor.swift b/stdlib/public/Concurrency/DispatchExecutor.swift
@@ -154,8 +154,8 @@ protocol DispatchExecutorProtocol: Executor {
 
 /// An enumeration identifying one of the Dispatch-supported clocks
 enum DispatchClockID: CInt {
-  case suspending = 1
-  case continuous = 2
+  case continuous = 1
+  case suspending = 2
 }
 
 @available(SwiftStdlib 6.2, *)

Original file line number	Diff line number	Diff line change
`@@ -154,8 +154,8 @@ protocol DispatchExecutorProtocol: Executor {`
`154`	`154`
`155`	`155`	`/// An enumeration identifying one of the Dispatch-supported clocks`
`156`	`156`	`enum DispatchClockID: CInt {`
`157`		`- case suspending = 1`
`158`		`- case continuous = 2`
	`157`	`+ case continuous = 1`
	`158`	`+ case suspending = 2`
`159`	`159`	`}`
`160`	`160`
`161`	`161`	`@available(SwiftStdlib 6.2, *)`