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      1 // RUN: %clang_cc1 -verify -emit-llvm -o - %s
      2 // expected-no-diagnostics
      3 
      4 // Test reference binding.
      5 
      6 typedef struct {
      7   int f0;
      8   int f1;
      9 } T;
     10 
     11 @interface A
     12 @property (assign) T p0;
     13 @property (assign) T& p1; 
     14 @end
     15 
     16 int f0(const T& t) {
     17   return t.f0;
     18 }
     19 
     20 int f1(A *a) {
     21   return f0(a.p0);
     22 }
     23 
     24 int f2(A *a) {
     25   return f0(a.p1);	
     26 }
     27 
     28 // PR7740
     29 @class NSString;
     30 
     31 void f3(id);
     32 void f4(NSString &tmpstr) {
     33   f3(&tmpstr);
     34 }
     35 
     36 // PR7741
     37 @protocol P1 @end
     38 @protocol P2 @end
     39 @protocol P3 @end
     40 @interface foo<P1> {} @end
     41 @interface bar : foo <P1, P2, P3> {} @end
     42 typedef bar baz;
     43 
     44 struct ToBar {
     45   operator bar&() const;
     46 };
     47 
     48 void f5(foo&);
     49 void f5b(foo<P1>&);
     50 void f5c(foo<P2>&);
     51 void f5d(foo<P3>&);
     52 void f6(baz* x) { 
     53   f5(*x); 
     54   f5b(*x); 
     55   f5c(*x); 
     56   f5d(*x);
     57   (void)((foo&)*x);
     58   f5(ToBar());
     59   f5b(ToBar());
     60   f5c(ToBar());
     61   f5d(ToBar());
     62   (void)((foo&)ToBar());
     63 }
     64