Re: GCC 6 warning fixes

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Robert Haas <robertmhaas(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: GCC 6 warning fixes
Date: 2016-03-09 00:42:31
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On 3/8/16 4:44 PM, Robert Haas wrote:
> On Mon, Feb 29, 2016 at 4:50 PM, Thomas Munro
> <thomas(dot)munro(at)enterprisedb(dot)com> wrote:
>> On Sat, Feb 20, 2016 at 5:14 PM, Peter Eisentraut <peter_e(at)gmx(dot)net> wrote:
>>> Here are three patches to fix new warnings in GCC 6.
>>> 0001 is apparently a typo.
>> Right, looks like it. Builds and tests OK with this change (though I
>> didn't get any warning from GCC6.0.0 -Wall for this one).
>>> 0002 was just (my?) stupid code to begin with.
>> Right, it makes sense to define QL_HELP in just one translation unit
>> with external linkage. Builds and works fine. I got the 'defined but
>> not used' warning from GCC6 and it went away with this patch.
>>> 0003 is more of a workaround. There could be other ways address this, too.
>> This way seems fine to me (you probably want the function to continue
>> to exist rather than, say, becoming a macro evaluating to false on
>> non-WIN32, if this gets backpatched). I got this warning from GCC6
>> and it went away with this patch.
> Peter, are you going to commit this?


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