KVO/KVC crash on reloading unloaded bundles

bundleTest.zip

gistfile1.m

//////////////////////// SIAppDelegate.h ////////////////////////////

#import <Cocoa/Cocoa.h>

@interface SIAppDelegate : NSObject <NSApplicationDelegate>

@property (assign) IBOutlet NSWindow *window;

@end

//////////////////////// SIAppDelegate.m ////////////////////////////

#import "SIAppDelegate.h"
#import "Bundle.h"

@implementation SIAppDelegate

@synthesize window;

- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
    NSString *bundlePath = [[NSBundle mainBundle] pathForResource:@"testbundle" ofType:@"bundle"];
    NSBundle *bundle = [NSBundle bundleWithPath: bundlePath];
    
    for (int i = 0; i < 100; i++)
    {
        [bundle load];
        
        Class bundleClass = [bundle principalClass];
        
        [[[bundleClass alloc] init] release];
        
        [bundle unload];
    }
}

@end

//////////////////////// Bundle.h ////////////////////////////

#import <Foundation/Foundation.h>

@interface Bundle : NSObject

@property (retain) NSString *name;

@end


//////////////////////// Bundle.m ////////////////////////////

#import "Bundle.h"

@implementation Bundle

@synthesize name;

- (id)init 
{
    self = [super init];
    
    if (self) 
    {
        [self addObserver: self 
               forKeyPath: @"name"
                  options: 0
                  context: nil];
        
        self.name = @"jim";
    }
    
    
    return self;
}


- (void)observeValueForKeyPath:(NSString *)keyPath
                      ofObject:(id)object
                        change:(NSDictionary *)change 
                       context:(void *)context
{
    NSLog(@"observer fired");
}

- (void)dealloc
{
    [self removeObserver: self 
              forKeyPath: @"name"];
    
    [super dealloc];
}

@end