-fwrapv-pointer was added to gcc way after that patch...
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Replying to @johnregehr
i vaguely remember (i could be wrong) when we tested it -fwrapv covered pointer overflows as well - section 3 of https://pdos.csail.mit.edu/papers/ub:apsys12.pdf …
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Replying to @johnregehr
took a look at old notes. -fno-strict-overflow might cover pointer overflow and -fwrapv might just cover signed integer overflow, but really depends on the compiler... also vaguely remember Linux switched from -fwrapv to -fno-strict-overflow not long after that
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