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/* Test if ObjC constant string layout is checked properly, regardless of how
   constant string classes get derived.  */
/* Contributed by Ziemowit Laski <zlaski@apple.com>  */

/* { dg-options "-fnext-runtime" } */
/* { dg-do compile { target *-*-darwin* } } */

#include <objc/Object.h>

@interface NSString: Object
@end

@interface NSSimpleCString : NSString {
@protected
    char *bytes;
    unsigned int numBytes;
}
@end
    
@interface NSConstantString : NSSimpleCString
@end

extern struct objc_class _NSConstantStringClassReference;

const NSConstantString *appKey = @"MyApp";

/* { dg-final { scan-assembler ".section __OBJC, __cstring_object" } } */
/* { dg-final { scan-assembler ".long\t__NSConstantStringClassReference\n\t.long\t.*\n\t.long\t5\n\t.data" } } */