test/SemaObjCXX/properties.mm

// RUN: %clang_cc1 -fsyntax-only -verify %s

struct X { 
  void f() const;
  ~X();
};

@interface A {
  X x_;
}

- (const X&)x;
- (void)setx:(const X&)other;
@end

@implementation A

- (const X&)x { return x_; }
- (void)setx:(const X&)other { x_ = other; }
- (void)method {
  self.x.f();
} 
@end