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// RUN: %clang_cc1 -verify -o - %s
__attribute__((objc_root_class))
@interface Root @end
// Test reference binding.
typedef struct {
int f0;
int f1;
} T;
@interface A : Root
@property (assign) T p0;
@property (assign) T& p1;
@end
int f0(const T& t) {
return t.f0;
}
int f1(A *a) {
return f0(a.p0);
}
int f2(A *a) {
return f0(a.p1);
}
// PR7740
@class NSString;
void f3(id);
void f4(NSString &tmpstr) {
f3(&tmpstr);
}
// PR7741
@protocol P1 @end
@protocol P2 @end
@protocol P3 @end
@interface foo<P1> {} @end
@interface bar : foo <P1, P2, P3> {} @end
typedef bar baz;
struct ToBar {
operator bar&() const;
};
void f5(foo&);
void f5b(foo<P1>&);
void f5c(foo<P2>&);
void f5d(foo<P3>&);
void f6(baz* x) {
f5(*x);
f5b(*x);
f5c(*x);
f5d(*x);
(void)((foo&)*x);
f5(ToBar());
f5b(ToBar());
f5c(ToBar());
f5d(ToBar());
(void)((foo&)ToBar());
}
// rdar://13794269
@interface B : Root @end
@implementation B {
unsigned bf : 4; // expected-note {{declared here}}
}
- (void) foo {
unsigned &i = bf; // expected-error {{non-const reference cannot bind to bit-field 'bf'}}
}
@end
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