Hi All,

Our application crashes inside AppKit when compiled with any SDK > 10.9. The 
crash happens at the following point in the program:

activityPaneController = [[ESC_ActivityPaneController alloc] initWithNibName: 
@“ESC_ActivitySideBox" bundle: nil];
[superV addSubview: activityPaneController.view];

The code loads 3 NSBoxes from separate NIBs and (tries) to add them as subviews 
to an NSBox in the main program window. The program works if we compile it with 
the 10.9 SDK. It crashes when compiled with any later SDK (10.10, 10.11, 10.12, 
Latest macOS). I am using Xcode 8.1 on 10.12.1. No ARC, no Storyboards and no 
AutoLayout are used in these parts of the program. I include below the 
crash-log.

Any ideas what I should be looking for? 

Regards,
Christos Konidaris



Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000068
Exception Note:        EXC_CORPSE_NOTIFY

Termination Signal:    Segmentation fault: 11
Termination Reason:    Namespace SIGNAL, Code 0xb
Terminating Process:   exc handler [0]

VM Regions Near 0x68:
--> 
    __TEXT                 00000001036be000-000000010413c000 [ 10.5M] r-x/rwx 
SM=COW  /Users/USER/Desktop/*/esc.app/Contents/MacOS/esc

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.AppKit                    0x00007fffd366a733 -[NSViewController 
_viewDidMoveToWindow:fromWindow:unhiding:] + 78
1   com.apple.AppKit                    0x00007fffd3601e12 -[NSView 
_setWindow:] + 3209
2   com.apple.CoreFoundation            0x00007fffd599ee12 __53-[__NSArrayM 
enumerateObjectsWithOptions:usingBlock:]_block_invoke + 114
3   com.apple.CoreFoundation            0x00007fffd599eccf -[__NSArrayM 
enumerateObjectsWithOptions:usingBlock:] + 239
4   com.apple.AppKit                    0x00007fffd3e26bfb __21-[NSView 
_setWindow:]_block_invoke.643 + 151
5   com.apple.AppKit                    0x00007fffd3601d1e -[NSView 
_setWindow:] + 2965
6   com.apple.CoreFoundation            0x00007fffd599ee12 __53-[__NSArrayM 
enumerateObjectsWithOptions:usingBlock:]_block_invoke + 114
7   com.apple.CoreFoundation            0x00007fffd599eca6 -[__NSArrayM 
enumerateObjectsWithOptions:usingBlock:] + 198
8   com.apple.AppKit                    0x00007fffd3e26bfb __21-[NSView 
_setWindow:]_block_invoke.643 + 151
9   com.apple.AppKit                    0x00007fffd3601d1e -[NSView 
_setWindow:] + 2965
10  com.apple.AppKit                    0x00007fffd35fe4c5 -[NSView 
addSubview:] + 461
11  gr.escape.esc               0x000000010380a729 -[ESCSideBarController 
initialiseForWindow:andView:] + 985 (ESCSideBarController.mm:119)
12  gr.escape.esc               0x00000001037ccb29 -[ESCMainWindowController 
windowDidLoad] + 713
13  com.apple.AppKit                    0x00007fffd368fcd4 -[NSWindowController 
_windowDidLoad] + 682
14  com.apple.AppKit                    0x00007fffd362ff83 -[NSWindowController 
window] + 110
15  com.apple.AppKit                    0x00007fffd380bc0e -[NSWindowController 
showWindow:] + 36


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