[SR-11248] [Source Compatibility Suite] SwifterSwift Failure -> error: no type named 'ManagedAudioChannelLayout' in module 'CoreAudio'

[xedin]

Previous ID	SR-11248
Radar	rdar://problem/53818369
Original Reporter	@xedin
Type	Bug
Status	Closed
Resolution	Done

Additional Detail from JIRA

| | | |------------------|-----------------| |Votes | 0 | |Component/s | Standard Library | |Labels | Bug | |Assignee | None | |Priority | Medium | md5: eb1d480f142118490cda5df2a79581df

Issue Description:

On WatchOS after update to Xcode 11 Beta 5:

/Applications/Xcode-beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS6.0.sdk/usr/lib/swift/CoreMedia.swiftmodule/armv7k.swiftinterface:773:106: error: no type named 'ManagedAudioChannelLayout' in module 'CoreAudio'
  public init(audioStreamBasicDescription: CoreAudioTypes.AudioStreamBasicDescription, layout: CoreAudio.ManagedAudioChannelLayout? = nil, magicCookie: Foundation.Data? = nil, extensions: CoreMedia.CMFormatDescription.Extensions? = nil) throws
                                                                                                         ^

[DougGregor]

This is fixed in Xcode 12 beta 1