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

[Florian Weimer]

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.

Thanks,
Florian