[PATCH] Check for null pointers given to memcpy with ubsan

[Alexey Samsonov]

Wait a second, won't UBSan handle this automatically if memcpy/memmove are declared with __attribute__((nonnull)) in the header? Otherwise, is there a change to the standard that imposes these additional constraints on memcpy/memmove?


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  rL LLVM

http://reviews.llvm.org/D9673

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