Re: [PATCH] Fix an "variable might be used uninitialized" gcc warning

From: Andreas Schwab <schwab@linux-m68k.org>
Date: Dec 17, 2011, 10:22 UTC
Message-ID: <m2iplffqgg.fsf@igel.home>
In-Reply-To: <20111216235908.GA5858@elie.hsd1.il.comcast.net>

Jonathan Nieder <jrnieder@gmail.com> writes:

Show 13 quoted lines

> Ramsay Jones wrote:
>
>>         CC builtin/checkout.o
>>     builtin/checkout.c: In function `cmd_checkout':
>>     builtin/checkout.c:160: warning: 'mode' might be used uninitialized \
>>         in this function
> [...]
>> [Note that only 2 out of the 3 versions of gcc I use issues this
>> warning]
>
> Which version of gcc is that?  Is gcc getting more sane, so we won't
> have to worry about this after a while, or is the false positive a
> new regression that should be reported to them?

The regression is that the function has been changed in a way that makes it impossible to infer the intended flow.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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