Use numericCast() to get the correct type when creating a dispatch_block_flags_t.
rdar://problem/44957560
@@ -40,11 +40,7 @@ public class DispatchWorkItem {
internal var _block: _DispatchBlock
public init(qos: DispatchQoS = .unspecified, flags: DispatchWorkItemFlags = [], block: @escaping @convention(block) () -> ()) {
-#if os(Windows) && arch(x86_64)
- let flags = dispatch_block_flags_t(UInt32(flags.rawValue))
-#else
- let flags = dispatch_block_flags_t(UInt(flags.rawValue))
-#endif
+ let flags: dispatch_block_flags_t = numericCast(flags.rawValue)
_block = dispatch_block_create_with_qos_class(flags,
qos.qosClass.rawValue.rawValue, Int32(qos.relativePriority), block)
}
@@ -52,11 +48,7 @@ public class DispatchWorkItem {
// Used by DispatchQueue.synchronously<T> to provide a path through
// dispatch_block_t, as we know the lifetime of the block in question.
internal init(flags: DispatchWorkItemFlags = [], noescapeBlock: () -> ()) {
-#if os(Windows) && arch(x86_64)
- let flags = dispatch_block_flags_t(UInt32(flags.rawValue))
-#else
- let flags = dispatch_block_flags_t(UInt(flags.rawValue))
-#endif
+ let flags: dispatch_block_flags_t = numericCast(flags.rawValue)
_block = _swift_dispatch_block_create_noescape(flags, noescapeBlock)
}
