1#import <objc/NSObject.h>
2#import "my-base.h"
3@implementation MyBase
4#if __OBJC2__
5@synthesize propertyMovesThings;
6#else
7@synthesize propertyMovesThings = maybe_used;
8#endif
9@end
10
11

source code of lldb/test/API/lang/objc/foundation/my-base.m