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Question

What must optimizers always preserve when making improvements to a program?

a.

The exact meaning of the original program.

b.

The size of the program binaries.

c.

The processor-specific optimizations in the back end.

d.

None of the above.

Posted under Reverse Engineering

Answer: (a).The exact meaning of the original program. Explanation:Regardless of the specific optimizations that take place, optimizers must always preserve the exact meaning of the original program and not change its behavior in any way.

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Q. What must optimizers always preserve when making improvements to a program?

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