Re: lots of unused variable warnings in assert-free builds

On Tue, Jan 24, 2012 at 12:12 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
>> Spraying the code with __attribute__((unused)) is somewhat undesirable
>> because it could mask a failure to properly initialize the variable in
>> an assert-enabled build.
>
> Ouch.  Is it really true that __attribute__((unused)) disables detection
> of use of uninitialized variables?  That would be nasty, and it's not
> obvious to me why it should need to work like that.  But if it is true,
> then I agree that that makes this approach not too tenable.

Oh, I think maybe I am confused.  The downsides of disabling *unused*
variable detection are obviously much less than the downsides of
disabling *uninitialized* variable declaration... although neither is
ideal.

-- 
Robert Haas
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