1. Open project created by prior Xcode version
1. Changing editor orientation to "Below"
2. File->New Editor Below
... the Editor appears below
3. Closing the Editor above
Crash.
Bug exist in Xcode 11.2.0 and 11.2.1:
| Process: | Xcode [2848] |
| Path: | /Applications/Xcode.app/Contents/MacOS/Xcode |
| Identifier: | com.apple.dt.Xcode |
| Version: | 11.2.1 (15526.1) |
| Build Info: | IDEFrameworks-15526001000000000~2 |
| Code Type: | X86-64 (Native) |
| Parent Process: | ??? [1] |
| Responsible: | Xcode [2848] |
| User ID: | 502 |
| Date/Time: | 2019-11-10 10:34:17.280 +0100 |
| OS Version: | Mac OS X 10.14.6 (18G103) |
| Report Version: | 12 |
| Anonymous UUID: | D37BDC44-B14B-D06F-3A79-594167CDCA94 |
Time Awake Since Boot: 10000 seconds
System Integrity Protection: enabled
| Crashed Thread: | 0 Dispatch queue: com.apple.main-thread |
| Exception Type: | EXC_CRASH (SIGABRT) |
| Exception Codes: | 0x0000000000000000, 0x0000000000000000 |
| Exception Note: | EXC_CORPSE_NOTIFY |
Application Specific Information:
Sending removeSplitAction: to IDEEditorSplittingController from <DVTGradientImageButton: 0x7fc79c7b7d90>
ProductBuildVersion: 11B53
ASSERTION FAILURE in /Library/Caches/com.apple.xbs/Sources/IDEFrameworks/IDEFrameworks-15526.1/IDEKit/Editor/IDEEditorArea.m:607
Details: (navigationTargetedEditorContext) should not be nil.
Object: <IDEEditorArea: 0x7fc79c6938a0>
Method: -_updateNavigationTargetedEditorContextIsValidObservingToken
Thread: <NSThread: 0x7fc79841c640>{number = 1, name = main}
Hints:
0: Sending removeSplitAction: to IDEEditorSplittingController from <DVTGradientImageButton: 0x7fc79c7b7d90>
Backtrace:
0 -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:assertionSignature:messageFormat:arguments:] (in IDEKit)
1 _DVTAssertionHandler (in DVTFoundation)
2 _DVTAssertionFailureHandler (in DVTFoundation)
3 __76-[IDEEditorArea _updateNavigationTargetedEditorContextIsValidObservingToken]_block_invoke (in IDEKit)
4 -[DVTObservingBlockToken observeValueForKeyPath:ofObject:change:context:] (in DVTFoundation)
5 NSKeyValueNotifyObserver (in Foundation)
6 NSKeyValueWillChange (in Foundation)
7 NSKeyValueWillChangeWithPerThreadPendingNotifications.llvm.7538459074364299148 (in Foundation)
8 DVTInvalidationCoreInvalidate (in DVTFoundation)
