Re: pgsql: Suppress "variable may be used uninitialized" warning.

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От Tom Lane
Тема Re: pgsql: Suppress "variable may be used uninitialized" warning.
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Msg-id 8117.1438131258@sss.pgh.pa.us
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Ответ на Re: pgsql: Suppress "variable may be used uninitialized" warning.  (Joe Conway <mail@joeconway.com>)
Ответы Re: pgsql: Suppress "variable may be used uninitialized" warning.  (Joe Conway <mail@joeconway.com>)
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Joe Conway <mail@joeconway.com> writes:
>> Suppress "variable may be used uninitialized" warning.

> That's odd -- I compiled both with and without debug options looking
> for warnings and saw none.

That warning is very compiler-dependent; smarter compilers can prove
that an uninitialized usage is unreachable while dumber ones can't.
I saw it on RHEL6's gcc 4.4.7.  I figure that suppressing warnings
on any reasonably popular/modern compiler is fair game.

            regards, tom lane


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