iOS开发ERROR /BuildRoot/Library/Caches/com.apple.xbs/Sources/VectorKit/VectorKit-1228.30.7.17.9

解决办法：

- (void)dealloc

{

#if DEBUG

    // Xcode8 / iOS10 MKMapView错误解决方法

    staticNSMutableArray* unusedObjects;

    if (!unusedObjects)

        unusedObjects = [NSMutableArraynew];

    [unusedObjects addObject:_warningMapView.warMapView];

    

#endif

    

}