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Editorial Team
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Asked: 2026-06-01T03:34:05+00:00

Is there a GCC/g++ option that generates an error/warning if there’s a function that

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Is there a GCC/g++ option that generates an error/warning if there’s a function that has a non-void return value, but doesn’t contain a return statement in its definition?

E.g.:

int add(int a, int b)
{
    a+b;
}
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1 Answer

  1. Editorial Team

    -Wreturn-type. It’s enabled by -Wall (which you should always be running with, along with -Werror -Wextra).

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