1 #import "objc-ivar-offsets.h" 2 3 @implementation BaseClass 4 @synthesize backed_int = _backed_int; 5 #if __OBJC2__ 6 @synthesize unbacked_int; 7 #else 8 @synthesize unbacked_int = _unbacked_int; 9 #endif 10 @end 11 12 @implementation DerivedClass 13 @synthesize derived_backed_int = _derived_backed_int; 14 #if __OBJC2__ 15 @synthesize derived_unbacked_int; 16 #else 17 @synthesize derived_unbacked_int = _derived_unbacked_int; 18 #endif 19 @end 20
