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Concurrency: Guard use of withoutActuallyEscaping() in inlinable code #72259

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Merged
merged 1 commit into from
Mar 12, 2024
Merged

Concurrency: Guard use of withoutActuallyEscaping() in inlinable code #72259

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4 changes: 4 additions & 0 deletions stdlib/public/Concurrency/ExecutorAssertions.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -363,12 +363,16 @@ extension Actor {
fatalError("Incorrect actor executor assumption; Expected same executor as \(self).", file: file, line: line)
}

#if $TypedThrows
// To do the unsafe cast, we have to pretend it's @escaping.
return try withoutActuallyEscaping(operation) {
(_ fn: @escaping YesActor) throws -> T in
let rawFn = unsafeBitCast(fn, to: NoActor.self)
return try rawFn(self)
}
#else
fatalError("unsupported compiler")
#endif
}
}

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4 changes: 4 additions & 0 deletions stdlib/public/Concurrency/MainActor.swift
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Expand Up @@ -155,12 +155,16 @@ extension MainActor {
fatalError("Incorrect actor executor assumption; Expected same executor as \(self).", file: file, line: line)
}

#if $TypedThrows
// To do the unsafe cast, we have to pretend it's @escaping.
return try withoutActuallyEscaping(operation) {
(_ fn: @escaping YesActor) throws -> T in
let rawFn = unsafeBitCast(fn, to: NoActor.self)
return try rawFn()
}
#else
fatalError("unsupported compiler")
#endif
}
}
#endif
4 changes: 4 additions & 0 deletions stdlib/public/Distributed/DistributedAssertions.swift
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Expand Up @@ -174,12 +174,16 @@ extension DistributedActor {
fatalError("Incorrect actor executor assumption; Expected same executor as \(self).", file: file, line: line)
}

#if $TypedThrows
// To do the unsafe cast, we have to pretend it's @escaping.
return try withoutActuallyEscaping(operation) {
(_ fn: @escaping YesActor) throws -> T in
let rawFn = unsafeBitCast(fn, to: NoActor.self)
return try rawFn(self)
}
#else
fatalError("unsupported compiler")
#endif
}
}

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