Of course it is, as it has been in my world since C89. Otherwise memcpy is just memory corruption waiting to happen.https://twitter.com/MalwareMinigun/status/737801492808142848 …
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It's extremely rare for overlapping copies to actually make sense, so trapping isn't just portability enforcement...
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...trapping also catches real bugs where the programmer didn't intend for overlapping objects to happen at all.
End of conversation
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