diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/torture/pr45580.C')
-rw-r--r-- | gcc/testsuite/g++.dg/torture/pr45580.C | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/pr45580.C b/gcc/testsuite/g++.dg/torture/pr45580.C new file mode 100644 index 00000000000..c3af4910aeb --- /dev/null +++ b/gcc/testsuite/g++.dg/torture/pr45580.C @@ -0,0 +1,50 @@ +// { dg-do compile } + +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(); +} |