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I cannot replicate this problem in a smaller program that I can show so I will illustrate the question with screenshots. I have a class that declares a union and a static member of the union: class { /* rest of the class */ union EmptyString { char8 m_Empty8[1]; uchar8 m_EmptyU8[1]; char32 m_Empty32[1]; }; static const EmptyString sm_emptyString; }; // Definition template <typename T> const typename StringBase<T>::EmptyString StringBase<T>::sm_emptyString = { 0 }; I then have a function that returns the address of the string. For debugging purposes, I have added the variable address so that I can add it to the watch window. Here is the function ( T here is a char8 where char8 is a typedef for char ): template <typename T> const char8* StringBase<T>::GetEmptyString( char8 ) { const char8* address = sm_emptyString.m_Empty8; //const char8* address = &(sm_emptyString.m_Empty8[0]); return address; //return sm_emptyString.m_Empty8; } As you can see, initially I had the one return statement, which I commented out so that I can debug the snippet. The other line that is commented out is taking the address of the first (and only) element of the array; this commented out line does the same thing as the line previous to it, which is: const char8* address = sm_emptyString.m_Empty8; . The program crashes because I am not getting the correct address by the above function and this has stumped me. Below I will start screenshots of my debugging session: Above, you can see that I am breaking just before the address is copied to the pointer. Below is the watch window values for sm_emptyString and address<

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