workaround for swiftlang/swift#77315 compiler crash

Author: lhoward

Sources/AsyncSubjects/AsyncCurrentValueSubject.swift

@@ -91,7 +91,7 @@ public final class AsyncCurrentValueSubject<Element>: AsyncSubject where Element
   func handleNewConsumer() -> (iterator: AsyncBufferedChannel<Element>.Iterator, unregister: @Sendable () -> Void) {
     let asyncBufferedChannel = AsyncBufferedChannel<Element>()
 
-    let (terminalState, current) = self.state.withCriticalRegion { state -> (Termination?, Element) in
+    let (terminalState, current) = self.state.withCriticalRegion { state in
       (state.terminalState, state.current)
     }
 

Sources/AsyncSubjects/AsyncReplaySubject.swift

@@ -75,7 +75,7 @@ public final class AsyncReplaySubject<Element>: AsyncSubject where Element: Send
   func handleNewConsumer() -> (iterator: AsyncBufferedChannel<Element>.Iterator, unregister: @Sendable () -> Void) {
     let asyncBufferedChannel = AsyncBufferedChannel<Element>()
 
-    let (terminalState, elements) = self.state.withCriticalRegion { state -> (Termination?, [Element]) in
+    let (terminalState, elements) = self.state.withCriticalRegion { state in
       (state.terminalState, state.buffer)
     }
 

Sources/AsyncSubjects/AsyncThrowingCurrentValueSubject.swift

@@ -97,7 +97,7 @@ public final class AsyncThrowingCurrentValueSubject<Element, Failure: Error>: As
   ) -> (iterator: AsyncThrowingBufferedChannel<Element, Error>.Iterator, unregister: @Sendable () -> Void) {
     let asyncBufferedChannel = AsyncThrowingBufferedChannel<Element, Error>()
 
-    let (terminalState, current) = self.state.withCriticalRegion { state -> (Termination?, Element) in
+    let (terminalState, current) = self.state.withCriticalRegion { state in
       (state.terminalState, state.current)
     }
 

Sources/AsyncSubjects/AsyncThrowingReplaySubject.swift

@@ -80,7 +80,7 @@ public final class AsyncThrowingReplaySubject<Element, Failure: Error>: AsyncSub
   ) -> (iterator: AsyncThrowingBufferedChannel<Element, Error>.Iterator, unregister: @Sendable () -> Void) {
     let asyncBufferedChannel = AsyncThrowingBufferedChannel<Element, Error>()
 
-    let (terminalState, elements) = self.state.withCriticalRegion { state -> (Termination?, [Element]) in
+    let (terminalState, elements) = self.state.withCriticalRegion { state in
       (state.terminalState, state.buffer)
     }