From: Stefan Liebler <stli@linux.ibm.com>
To: libc-alpha@sourceware.org
Subject: Re: [PATCH] Get rid of Werror=maybe-uninitialized in res_send.c.
Date: Fri, 13 Dec 2019 13:43:15 +0100 [thread overview]
Message-ID: <f20eaad4-749d-c9b0-477b-8177c8c50864@linux.ibm.com> (raw)
In-Reply-To: <74a3d5d8-2c65-bcb3-b61d-297ad5ba6d1e@linux.ibm.com>
On 12/9/19 2:00 PM, Stefan Liebler wrote:
> On 12/3/19 9:50 AM, Stefan Liebler wrote:
>> Hi,
>>
>> the commit 446997ff1433d33452b81dfa9e626b8dccf101a4 introduced
>> this new usage of resplen. If build with gcc 9 -march>=z13 on s390x,
>> the following warning occurs:
>> res_send.c: In function ‘__res_context_send’:
>> res_send.c:539:6: error: ‘resplen’ may be used uninitialized in this
>> function [-Werror=maybe-uninitialized]
>> 539 | if (resplen > HFIXEDSZ)
>> | ^
>>
>> Therefore this patch adds a further DIAG_IGNORE_NEEDS_COMMENT in the
>> same way as it was previously done for usages of resplen or n.
>> See commit d1bc2cbbed9aea2017ef941f63c8786571da5b4f.
>>
>> Bye
>> Stefan
>
> ping
>
ping
next prev parent reply other threads:[~2019-12-13 12:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-03 8:50 [PATCH] Get rid of Werror=maybe-uninitialized in res_send.c Stefan Liebler
2019-12-09 13:00 ` Stefan Liebler
2019-12-13 12:43 ` Stefan Liebler [this message]
2020-01-08 7:47 ` Stefan Liebler
2020-01-14 8:22 ` Stefan Liebler
2020-01-20 8:17 ` Stefan Liebler
2020-01-20 8:27 ` Siddhesh Poyarekar
2020-01-20 10:02 ` Stefan Liebler
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