clang/test/CodeGenObjC/2007-10-18-ProDescriptor.m

// RUN: %clang_cc1 -emit-llvm %s -o /dev/null
@protocol O
@end
@interface O < O > {
}
@end
struct A {
};
@protocol AB
- (unsigned) ver;
@end
@interface AGy:O < AB > {
}
@end
@implementation AGy
- (unsigned) ver {
    return 0;
}
@end