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/* { dg-do run } */
/* { dg-xfail-if "PR23614" { "*-*-*" } { "*" } { "" } } */
#include <objc/Object.h>
#include <stdlib.h>
class MyWidget {
public:
int a;
MyWidget(void) { a = 17; }
};
MyWidget gWidget;
@protocol MyProto
- (MyWidget *)widget;
@end
@interface Foo: Object
@end
@interface Bar: Foo <MyProto>
@end
@interface Container: Object
+ (MyWidget *)elementForView:(Foo *)view;
@end
@implementation Foo
@end
@implementation Bar
- (MyWidget *)widget {
return &gWidget;
}
@end
@implementation Container
+ (MyWidget *)elementForView:(Foo *)view
{
MyWidget *widget = nil;
if ([view conformsTo:@protocol(MyProto)]) {
widget = [(Foo <MyProto> *)view widget];
}
return widget;
}
@end
int main(void) {
id view = [Bar new];
MyWidget *w = [Container elementForView: view];
if (!w || w->a != 17)
abort ();
return 0;
}
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