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111
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1 // { dg-do compile }
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2
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3 namespace std {
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4 typedef __SIZE_TYPE__ size_t;
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5 }
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6 inline void* operator new(std::size_t, void* __p) throw() {
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7 return __p;
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8 }
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9 class Noncopyable { };
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10 struct CollectorCell { };
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11 template<typename T> class PassRefPtr {
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12 public:
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13 T* releaseRef() const { }
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14 };
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15 template <typename T> class NonNullPassRefPtr {
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16 public:
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17 template <class U> NonNullPassRefPtr(const PassRefPtr<U>& o)
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18 : m_ptr(o.releaseRef()) { }
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19 mutable T* m_ptr;
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20 };
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21 struct ClassInfo;
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22 class JSValue { };
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23 JSValue jsNull();
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24 class Structure;
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25 class JSGlobalData {
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26 static void storeVPtrs();
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27 };
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28 class JSCell : public Noncopyable {
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29 friend class JSObject;
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30 friend class JSGlobalData;
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31 virtual ~JSCell();
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32 };
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33 class JSObject : public JSCell {
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34 public:
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35 explicit JSObject(NonNullPassRefPtr<Structure>);
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36 static PassRefPtr<Structure> createStructure(JSValue prototype) { }
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37 };
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38 class JSByteArray : public JSObject {
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39 friend class JSGlobalData;
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40 enum VPtrStealingHackType { VPtrStealingHack };
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41 JSByteArray(VPtrStealingHackType)
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42 : JSObject(createStructure(jsNull())), m_classInfo(0) { }
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43 const ClassInfo* m_classInfo;
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44 };
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45 void JSGlobalData::storeVPtrs() {
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46 CollectorCell cell;
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47 void* storage = &cell;
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48 JSCell* jsByteArray = new (storage) JSByteArray(JSByteArray::VPtrStealingHack);
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49 jsByteArray->~JSCell();
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50 }
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