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Logic & Puzzles

What happens to a compiler's verification process when the negation of a key optimization invariant leads to detectable program failure?

A)Optimization silently skips the error
B)Compiler flags optimization as unsafe
C)Optimization proceeds without warning
D)Error is masked by other optimizations

💡 Explanation

The compiler flags the optimization as unsafe because proof by contradiction identifies a flaw in the optimization. The program detects failure because a supposed invariant doesn't hold. Therefore, the compiler recognizes the error, rather than proceeding or silently skipping.

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