[PATCH] Silence -O3 -Wall warning in malloc/hooks.c with GCC 7 [BZ #22052]

[H.J. Lu]

On Mon, Sep 18, 2017 at 7:02 AM, Florian Weimer <fweimer@redhat.com> wrote:
> On 09/04/2017 10:29 PM, H.J. Lu wrote:
>>
>> On Mon, Sep 4, 2017 at 1:33 AM, Florian Weimer <fweimer@redhat.com> wrote:
>>>
>>> On 09/03/2017 05:48 PM, H.J. Lu wrote:
>>>>
>>>> +  unsigned char *magic_p = NULL;
>>>
>>>
>>> I think the current practice is to use <libc-diag.h> to suppress the
>>> warning.
>>
>>
>> Is there a usage example for this warning?
>
>
> Search for DIAG_PUSH_NEEDS_COMMENT in the sources.
>

Here is a patch.  Tested on x86-64.  I am going to check it in.

Thanks.

-- 
H.J.
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