From: Renlin Li <renlin.li@foss.arm.com>
To: Martin Sebor <msebor@gmail.com>,
Christophe Lyon <christophe.lyon@linaro.org>
Cc: Andreas Schwab <schwab@linux-m68k.org>, Jeff Law <law@redhat.com>,
Jakub Jelinek <jakub@redhat.com>,
Joseph Myers <joseph@codesourcery.com>,
Gcc Patch List <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] have -Wformat-overflow handle -fexec-charset (PR 80503)
Date: Tue, 13 Jun 2017 08:16:00 -0000 [thread overview]
Message-ID: <593F9F56.1080405@foss.arm.com> (raw)
In-Reply-To: <6f104789-ef3f-24ab-0603-6479178205d3@gmail.com>
Hi Martin,
On 04/06/17 23:24, Martin Sebor wrote:
> On 06/02/2017 09:38 AM, Renlin Li wrote:
>> Hi Martin,
>>
>> After r247444, I saw the following two regressions in
>> arm-linux-gnueabihf environment:
>>
>> FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-18.c (test for warnings,
>> line 119)
>> PASS: gcc.dg/tree-ssa/builtin-sprintf-warn-18.c (test for warnings,
>> line 121)
>> FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-18.c (test for warnings,
>> line 121)
>>
>> The warning message related to those two lines are:
>> testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-18.c:119:3: warning:
>> '%9223372036854775808i' directive width out of range [-Wformat-overflow=]
>>
>> testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-18.c:121:3: warning:
>> '%.9223372036854775808i' directive precision out of range
>> [-Wformat-overflow=]
>>
>> testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-18.c:121:3: warning:
>> '%.9223372036854775808i' directive precision out of range
>> [-Wformat-overflow=]
>>
>> Did you notice similar things from your test environment, Christophe?
>
> Looks like you're missing a couple of warnings. I see the following
> output with both my arm-linux-gnueabihf cross compiler and my native
> x86_64 GCC, both in 32-bit and 64-bit modes, as expected by the test,
> so I don't see the same issue in my environment.
Yes, it happens on arm-linux-gnueabihf native environment. the warnings with "INT_MAX"
line are missing. I don't know if the host environment will cause the difference.
Regards,
Renlin
>
> /ssd/src/gcc/git/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-18.c:119:3: warning:
> â%9223372036854775808iâ directive width out of range [-Wformat-overflow=]
> T ("%9223372036854775808i", 0); /* { dg-warning "width out of range" } */
> ^
> /ssd/src/gcc/git/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-18.c:119:3: warning:
> â%9223372036854775808iâ directive output of 9223372036854775807 bytes causes result to
> exceed âINT_MAXâ [-Wformat-overflow=]
> /ssd/src/gcc/git/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-18.c:121:3: warning:
> â%.9223372036854775808iâ directive precision out of range [-Wformat-overflow=]
> T ("%.9223372036854775808i", 0); /* { dg-warning "precision out of range" } */
> ^
> /ssd/src/gcc/git/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-18.c:121:3: warning:
> â%.9223372036854775808iâ directive output of 9223372036854775807 bytes causes result to
> exceed âINT_MAXâ [-Wformat-overflow=]
>
> Martin
next prev parent reply other threads:[~2017-06-13 8:16 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-26 22:27 Martin Sebor
2017-04-27 3:39 ` Joseph Myers
2017-04-27 5:07 ` Jakub Jelinek
2017-04-27 22:52 ` Martin Sebor
2017-04-28 16:35 ` Jeff Law
2017-04-28 16:37 ` Jakub Jelinek
2017-04-28 17:05 ` Jeff Law
2017-04-28 18:32 ` Martin Sebor
2017-04-28 19:14 ` Jeff Law
2017-04-29 20:44 ` Andreas Schwab
2017-05-03 14:35 ` Christophe Lyon
2017-05-03 15:02 ` Martin Sebor
2017-05-03 15:24 ` Christophe Lyon
2017-06-02 15:38 ` Renlin Li
2017-06-04 22:24 ` Martin Sebor
2017-06-13 8:16 ` Renlin Li [this message]
2017-06-20 11:00 ` Renlin Li
2018-01-31 17:57 ` Renlin Li
2018-02-01 0:41 ` Martin Sebor
2018-02-01 11:54 ` Renlin Li
2018-02-01 18:27 ` Martin Sebor
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