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/* Ensure there are no bizarre difficulties with accessing the 'isa' field of objects.  */

/* { dg-do compile } */

#include "../objc-obj-c++-shared/TestsuiteObject.h"

#include "../objc-obj-c++-shared/runtime.h"

@interface TestsuiteObject (Test)

- (Class) test1: (id)object;

@end

@interface Derived: TestsuiteObject

- (Class) test2: (id)object;

@end

@implementation TestsuiteObject (Test)

Class test1(id object) {

#ifdef __NEXT_RUNTIME__

    Class cls = object->isa;

#else

    Class cls = object->class_pointer;

#endif

    return cls;

}

- (Class) test1: (id)object {

#ifdef __NEXT_RUNTIME__

    Class cls = object->isa;

#else

    Class cls = object->class_pointer;

#endif

    return cls;

}

@end

@implementation Derived

Class test2(id object) {

#ifdef __NEXT_RUNTIME__

    Class cls = object->isa;

#else

    Class cls = object->class_pointer;

#endif

    return cls;

}

- (Class) test2: (id)object {

#ifdef __NEXT_RUNTIME__

    Class cls = object->isa;

#else

    Class cls = object->class_pointer;

#endif

    return cls;

}

@end

Class test3(id object) {

#ifdef __NEXT_RUNTIME__

    Class cls = object->isa;

#else

    Class cls = object->class_pointer;

#endif

    return cls;

}