clang-tests/gcc-4_2-testsuite/src/objc.dg/proto-lossage-7.m

/* APPLE LOCAL file 4216500 */
/* Check that typedefs of ObjC classes preserve 
   any @protocol qualifiers.  */
/* { dg-do compile } */
#include <objc/Object.h>

@protocol CanDoStuff;

typedef Object<CanDoStuff> CanDoStuffType;
typedef Object<CanDoStuff> *CanDoStuffTypePtr;

@protocol CanDoStuff
- (int) dostuff;
@end

@protocol MoreStuff
- (int) morestuff;
@end

int main(void)
{
    CanDoStuffTypePtr  dice     = nil;
    CanDoStuffType    *nodice   = nil;
    int count;
    count = [dice dostuff];
    count = [nodice dostuff];
    return 0;
}