rt_gccstream/gcc/testsuite/obj-c++.dg/isa-field-1.mm

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/* Ensure there are no bizarre difficulties with accessing the 'isa' field of
objects. This field is named differently between GNU and NeXT runtimes so
accessed via the CLASSPTRFIELD() macro defined in next-mapping.h */
/* { dg-do compile } */
#include "../objc-obj-c++-shared/Object1.h"
#include "../objc-obj-c++-shared/next-mapping.h"
@interface Object (Test)
- (Class) test1: (id)object;
@end
@interface Derived: Object
- (Class) test2: (id)object;
@end
@implementation Object (Test)
Class test1(id object) {
Class cls = CLASSPTRFIELD(object);
return cls;
}
- (Class) test1: (id)object {
Class cls = CLASSPTRFIELD(object);
return cls;
}
@end
@implementation Derived
Class test2(id object) {
Class cls = CLASSPTRFIELD(object);
return cls;
}
- (Class) test2: (id)object {
Class cls = CLASSPTRFIELD(object);
return cls;
}
@end
Class test3(id object) {
Class cls = CLASSPTRFIELD(object);
return cls;
}
#include "../objc-obj-c++-shared/Object1-implementation.h"