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Agreed, a compiler should replace "assert(FOO)" with "FOO", and then remove "FOO" if it has no side effects, like any statement.

This sounds nice in theory. In practice, the compiler cannot eliminate any log statements (writing to a log file is a side effect). Thus, the decision to not execute "FOO" as for example Java does when asserts are disabled, is the correct one.


I think the GP is referring to when NDEBUG is defined.


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