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111
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1 // { dg-do run }
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2
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3 typedef unsigned uint32_t;
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4
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5 template<typename T>
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6 struct AlignedStorage2
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7 {
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8 char mBytes[sizeof(T)];
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9
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10 const T* addr() const { return reinterpret_cast<const T*>(mBytes); }
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11 T* addr() { return reinterpret_cast<T*>(mBytes); }
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12 };
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13
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14 struct Register {
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15 uint32_t reg_;
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16 };
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17
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18 class TypedOrValueRegister
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19 {
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20 AlignedStorage2<Register> typed;
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21 __attribute__((noinline)) Register& dataTyped() { return *typed.addr(); }
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22 public:
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23 TypedOrValueRegister(Register reg)
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24 {
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25 dataTyped() = reg;
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26 }
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27 Register typedReg() const { return *typed.addr(); }
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28 };
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29
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30 int main() {
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31 Register reg = { 10u };
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32 if (TypedOrValueRegister(reg).typedReg().reg_ != 10)
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33 __builtin_abort();
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34 return 0;
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35 }
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