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// RUN: %clang_cc1 -x objective-c -Wno-objc-root-class -fms-extensions -rewrite-objc %s -o %t-rw.cpp
// RUN: FileCheck --input-file=%t-rw.cpp %s
// rdar://9846759
// rdar://15517895
typedef struct MyWidget {
int a;
} MyWidget;
MyWidget gWidget = { 17 };
@protocol MyProto
- (MyWidget *)widget;
@end
@interface Foo
@end
@interface Bar: Foo <MyProto>
@end
@interface Container
+ (MyWidget *)elementForView:(Foo *)view;
@end
@implementation Foo
@end
@implementation Bar
- (MyWidget *)widget {
return &gWidget;
}
@end
@implementation Container
+ (MyWidget *)elementForView:(Foo *)view
{
MyWidget *widget = (void*)0;
if (@protocol(MyProto)) {
widget = [(id <MyProto>)view widget];
}
return widget;
}
@end
int main(void) {
id view;
MyWidget *w = [Container elementForView: view];
return 0;
}
// rdar://15517895
@class NSObject;
@interface NSProtocolChecker
+ (id)protocolCheckerWithTarget:(NSObject *)anObject protocol:(Protocol *)aProtocol;
@end
@protocol NSConnectionVersionedProtocol
@end
@interface NSConnection @end
@implementation NSConnection
- (void) Meth {
[NSProtocolChecker protocolCheckerWithTarget:0 protocol:@protocol(NSConnectionVersionedProtocol)];
}
@end
// CHECK: static struct _protocol_t *_OBJC_PROTOCOL_REFERENCE_$_NSConnectionVersionedProtocol = &_OBJC_PROTOCOL_NSConnectionVersionedProtocol
// CHECK: sel_registerName("protocolCheckerWithTarget:protocol:"), (NSObject *)0, (Protocol *)_OBJC_PROTOCOL_REFERENCE_$_NSConnectionVersionedProtocol
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