Why not generate random data then read it? Or even a constant, then read it? | Hacker News

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		ikeboy on June 12, 2015 \| parent \| context \| favorite \| on: Being Sneaky in C Why not generate random data then read it? Or even a constant, then read it?

TheLoneWolfling on June 12, 2015 [–]

Because the compiler will optimize it out. Even if you return the random data / constant the compiler will optimize out the store to the variable and just pass it through directly.

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