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// { dg-do compile }
// { dg-additional-options "-Wno-return-type" }
namespace std {
typedef __SIZE_TYPE__ size_t;
}
inline void* operator new(std::size_t, void* __p) throw() {
return __p;
}
class Noncopyable { };
struct CollectorCell { };
template<typename T> class PassRefPtr {
public:
T* releaseRef() const { }
};
template <typename T> class NonNullPassRefPtr {
public:
template <class U> NonNullPassRefPtr(const PassRefPtr<U>& o)
: m_ptr(o.releaseRef()) { }
mutable T* m_ptr;
};
struct ClassInfo;
class JSValue { };
JSValue jsNull();
class Structure;
class JSGlobalData {
static void storeVPtrs();
};
class JSCell : public Noncopyable {
friend class JSObject;
friend class JSGlobalData;
virtual ~JSCell();
};
class JSObject : public JSCell {
public:
explicit JSObject(NonNullPassRefPtr<Structure>);
static PassRefPtr<Structure> createStructure(JSValue prototype) { }
};
class JSByteArray : public JSObject {
friend class JSGlobalData;
enum VPtrStealingHackType { VPtrStealingHack };
JSByteArray(VPtrStealingHackType)
: JSObject(createStructure(jsNull())), m_classInfo(0) { }
const ClassInfo* m_classInfo;
};
void JSGlobalData::storeVPtrs() {
CollectorCell cell;
void* storage = &cell;
JSCell* jsByteArray = new (storage) JSByteArray(JSByteArray::VPtrStealingHack);
jsByteArray->~JSCell();
}
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