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static_cast vs dynamic_cast: undefined behavior
<div class="field field-name-body field-type-text-with-summary field-label-hidden view-mode-rss"><div class="field-items"><div class="field-item even">Do not use static_cast when you cast from a basic class to a derived one! This may lead to undefined behavior. Always use dynamic_cast instead. Example (works with GCC, VC and online C++ shells):
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