Invalid base-to-derived static_cast

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If static_cast is used to convert a pointer (resp. reference) to base class to a pointer (resp. reference) to derived class, but the operand does not point (resp. refer) to an object of the derived class type, the behavior is undefined. See Base to derived conversion.

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Undefined behavior:
* Invalid base-to-derived static_cast

Table Of Contents
8 Arrays
11 Loops
39 Streams
51 Unions
56 Lambdas
60 SFINAE
62 RAII
67 Sorting
71 Undefined behavior
84 RTTI
87 Scopes
104 Profiling
107 Recursion
117 Iteration
125 Alignment
134 Semaphore
136 Debugging
139 Mutexes
142 decltype