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* [r12-2132 Regression] FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++98 note (test for warnings, line 55) on Linux/x86_64
@ 2021-07-08 23:35 sunil.k.pandey
2021-07-09 8:16 ` Maxim Kuvyrkov
0 siblings, 1 reply; 3+ messages in thread
From: sunil.k.pandey @ 2021-07-08 23:35 UTC (permalink / raw)
To: gcc-patches, gcc-regression, msebor
On Linux/x86_64,
a110855667782dac7b674d3e328b253b3b3c919b is the first bad commit
commit a110855667782dac7b674d3e328b253b3b3c919b
Author: Martin Sebor <msebor@redhat.com>
Date: Wed Jul 7 14:05:25 2021 -0600
Correct handling of variable offset minus constant in -Warray-bounds [PR100137]
caused
FAIL: gcc.dg/Wstringop-overflow-47.c pr97027 (test for warnings, line 34)
FAIL: gcc.dg/Wstringop-overflow-47.c pr97027 (test for warnings, line 37)
FAIL: gcc.dg/Wstringop-overflow-47.c pr97027 (test for warnings, line 42)
FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++14 note (test for warnings, line 38)
FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++14 note (test for warnings, line 55)
FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++17 note (test for warnings, line 38)
FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++17 note (test for warnings, line 55)
FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++2a note (test for warnings, line 38)
FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++2a note (test for warnings, line 55)
FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++98 note (test for warnings, line 38)
FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++98 note (test for warnings, line 55)
with GCC configured with
../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-2132/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap
To reproduce:
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/Wstringop-overflow-47.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/Wstringop-overflow-47.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/Warray-bounds-20.C --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/Warray-bounds-20.C --target_board='unix{-m32\ -march=cascadelake}'"
(Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [r12-2132 Regression] FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++98 note (test for warnings, line 55) on Linux/x86_64
2021-07-08 23:35 [r12-2132 Regression] FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++98 note (test for warnings, line 55) on Linux/x86_64 sunil.k.pandey
@ 2021-07-09 8:16 ` Maxim Kuvyrkov
2021-07-09 17:42 ` Martin Sebor
0 siblings, 1 reply; 3+ messages in thread
From: Maxim Kuvyrkov @ 2021-07-09 8:16 UTC (permalink / raw)
To: msebor; +Cc: gcc-patches, gcc-regression, sunil.k.pandey
> On 9 Jul 2021, at 02:35, sunil.k.pandey via Gcc-patches <gcc-patches@gcc.gnu.org> wrote:
>
> On Linux/x86_64,
>
> a110855667782dac7b674d3e328b253b3b3c919b is the first bad commit
> commit a110855667782dac7b674d3e328b253b3b3c919b
> Author: Martin Sebor <msebor@redhat.com>
> Date: Wed Jul 7 14:05:25 2021 -0600
>
> Correct handling of variable offset minus constant in -Warray-bounds [PR100137]
>
> caused
Hi Martin,
I see these failing on aarch64-linux-gnu as well:
>
> FAIL: gcc.dg/Wstringop-overflow-47.c pr97027 (test for warnings, line 34)
> FAIL: gcc.dg/Wstringop-overflow-47.c pr97027 (test for warnings, line 37)
> FAIL: gcc.dg/Wstringop-overflow-47.c pr97027 (test for warnings, line 42)
FWIW, I don’t see these on aarch64-linux-gnu:
> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++14 note (test for warnings, line 38)
> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++14 note (test for warnings, line 55)
> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++17 note (test for warnings, line 38)
> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++17 note (test for warnings, line 55)
> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++2a note (test for warnings, line 38)
> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++2a note (test for warnings, line 55)
> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++98 note (test for warnings, line 38)
> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++98 note (test for warnings, line 55)
--
Maxim Kuvyrkov
https://www.linaro.org
>
> with GCC configured with
>
> ../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-2132/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap
>
> To reproduce:
>
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/Wstringop-overflow-47.c --target_board='unix{-m32\ -march=cascadelake}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/Wstringop-overflow-47.c --target_board='unix{-m64\ -march=cascadelake}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/Warray-bounds-20.C --target_board='unix{-m32}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/Warray-bounds-20.C --target_board='unix{-m32\ -march=cascadelake}'"
>
> (Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [r12-2132 Regression] FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++98 note (test for warnings, line 55) on Linux/x86_64
2021-07-09 8:16 ` Maxim Kuvyrkov
@ 2021-07-09 17:42 ` Martin Sebor
0 siblings, 0 replies; 3+ messages in thread
From: Martin Sebor @ 2021-07-09 17:42 UTC (permalink / raw)
To: Maxim Kuvyrkov, msebor; +Cc: gcc-regression, gcc-patches
On 7/9/21 2:16 AM, Maxim Kuvyrkov via Gcc-patches wrote:
>> On 9 Jul 2021, at 02:35, sunil.k.pandey via Gcc-patches <gcc-patches@gcc.gnu.org> wrote:
>>
>> On Linux/x86_64,
>>
>> a110855667782dac7b674d3e328b253b3b3c919b is the first bad commit
>> commit a110855667782dac7b674d3e328b253b3b3c919b
>> Author: Martin Sebor <msebor@redhat.com>
>> Date: Wed Jul 7 14:05:25 2021 -0600
>>
>> Correct handling of variable offset minus constant in -Warray-bounds [PR100137]
>>
>> caused
>
> Hi Martin,
>
> I see these failing on aarch64-linux-gnu as well:
>
>>
>> FAIL: gcc.dg/Wstringop-overflow-47.c pr97027 (test for warnings, line 34)
>> FAIL: gcc.dg/Wstringop-overflow-47.c pr97027 (test for warnings, line 37)
>> FAIL: gcc.dg/Wstringop-overflow-47.c pr97027 (test for warnings, line 42)
Thanks. It looks like I removed the xfails a little bit too
indiscriminately. The test passes with an x84_64 compiler but
the aarch64 IL still isn't handled. Let me take care of that.
>
>
> FWIW, I don’t see these on aarch64-linux-gnu:
Good! :) I fixed these problems just yesterday.
Martin
>
>> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++14 note (test for warnings, line 38)
>> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++14 note (test for warnings, line 55)
>> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++17 note (test for warnings, line 38)
>> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++17 note (test for warnings, line 55)
>> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++2a note (test for warnings, line 38)
>> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++2a note (test for warnings, line 55)
>> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++98 note (test for warnings, line 38)
>> FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++98 note (test for warnings, line 55)
>
>
> --
> Maxim Kuvyrkov
> https://www.linaro.org
>
>
>>
>> with GCC configured with
>>
>> ../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-2132/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap
>>
>> To reproduce:
>>
>> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/Wstringop-overflow-47.c --target_board='unix{-m32\ -march=cascadelake}'"
>> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/Wstringop-overflow-47.c --target_board='unix{-m64\ -march=cascadelake}'"
>> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/Warray-bounds-20.C --target_board='unix{-m32}'"
>> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=g++.dg/warn/Warray-bounds-20.C --target_board='unix{-m32\ -march=cascadelake}'"
>>
>> (Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-07-08 23:35 [r12-2132 Regression] FAIL: g++.dg/warn/Warray-bounds-20.C -std=gnu++98 note (test for warnings, line 55) on Linux/x86_64 sunil.k.pandey
2021-07-09 8:16 ` Maxim Kuvyrkov
2021-07-09 17:42 ` Martin Sebor
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