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Re: New gcc 4.0.0 warnings seem spurious
Vincent Lefevre wrote:-
>
> Before the conversion, the value is representable in the type of
> the expression, and after the conversion (which is well-defined),
> it is still representable in the (new) type of the expression.
> 6.7.8#11 mentions the possible conversion. So, I disagree here.
Warnings aren't only intended for undefined things; they're
supposed to point out suspect constructs. If my compiler didn't
warn about assigning a 32-bit quantity to an 8-bit one I'd
think it a poor implementation.
Even better, you can turn of the warning with a cast, making your
intent explicit to the compiler, so there's every reason to have
it on by default.
Neil.