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References: <20150326210014.GC13867@adacore.com>	<20150327094653.GA29713@physik.fu-berlin.de>	<20150327134252.GD13867@adacore.com>	<20150327151754.GA21801@physik.fu-berlin.de>	<20150327152704.GE13867@adacore.com>
Date: Fri, 27 Mar 2015 16:58:00 -0000
Message-ID: <CAMe9rOqzXbpPMDQcKi-Wdr3m1q6ZbZohv3EMY9s274+vjuSBiA@mail.gmail.com>
Subject: Re: [pushed] Re: gdb fails to compile with GCC 4.4.7 (was: [PATCH V4 5/9] New probe type: DTrace USDT probes.)
From: "H.J. Lu" <hjl.tools@gmail.com>
To: Joel Brobecker <brobecker@adacore.com>, Binutils <binutils@sourceware.org>
Cc: Tobias Burnus <tobias.burnus@physik.fu-berlin.de>, GDB <gdb-patches@sourceware.org>
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On Fri, Mar 27, 2015 at 8:27 AM, Joel Brobecker <brobecker@adacore.com> wrote:
>> > Would you mind checking that the attached patch fixes the problem?
>>
>> Yes, it now also compiles with GCC 4.4. Thanks for the fix!
>>
>> Tobias
>>
>> >         * dtrace-probe.c (dtrace_process_dof_probe): Initialize expr to NULL.
>
> Excellent, thanks for reporting the problem and checking the fix
> for me. Patch is now in.

FWIW, there are other similar places in binutils-gdb tree:

https://sourceware.org/ml/binutils/2015-03/msg00368.html

I suggested a macro, like

#define SILENCE_UNIITITALIZED_WARNING(var) ....

and do

struct bfd_link_hash_entry SILENCE_UNIITITALIZED_WARNING (ehdr_start_save);


-- 
H.J.