> On Feb 9, 2021, at 11:36 AM, Richard Biener <rguent...@suse.de> wrote:
>
> On Tue, 9 Feb 2021, Qing Zhao wrote:
>
>> Richard,
>>
>> Thank you for the reply.
>>
>> Yes, I understand that without a working testing case to repeat the error,
>> it’s very hard to debug and fix the issue.
>>
>> However, providing a testing case for this bug is really challenging from
>> our side due to multiple reasons…
>>
>> I will discuss with our building engineer to see what we can do. Or, I will
>> try to debug and fix this issue myself…
>
> Note you can try reducing a proprietary testcase with tools like
> cvise or creduce.
Thanks for the suggestions.
> Does your case also happen in a mingw/windows
> environment?
Our application is compiled in linux environment.
Right now, looks like that David Malcolm already can repeat the error and is
able to debug it right now.
Hopefully this can be fixed soon.
Thanks a lot.
Qing
>
> Richard.
>
>>
>> Qing
>>
>>> On Feb 9, 2021, at 2:18 AM, Richard Biener <rguent...@suse.de
>>> <mailto:rguent...@suse.de>> wrote:
>>>
>>> On Mon, 8 Feb 2021, Qing Zhao wrote:
>>>
>>>> Hi,
>>>>
>>>> The bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96391
>>>> <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96391>
>>>> <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96391
>>>> <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96391>>
>>>> <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96391
>>>> <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96391><https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96391
>>>> <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96391>>>
>>>>
>>>> Bug 96391 - [10/11 Regression] internal compiler error: in
>>>> linemap_compare_locations, at libcpp/line-map.c:1359
>>>>
>>>> has been opened on 7/30/2020, and multiple users reported the same issue.
>>>>
>>>> For our important application, all the C++ modules failed with this bug
>>>> when we use gcc10 or gcc11. Then we have
>>>> To use icc to compile C++, and gcc to compile C, it’s very inconvenient.
>>>>
>>>> I have raised the priority of this bug to P2 on 10/09/2020, hope it can
>>>> be fixed in gcc11.
>>>>
>>>> I see that Michael Cronenworth has attached a preprocessed file for the
>>>> reproducing purpose in comment 4.
>>>>
>>>> So, can we have the fix of the bug in gcc11?
>>>
>>> The issue is that the preprocessed source does not reproduce the issue and
>>> a mingw development environment is not easily accessible (to me at least).
>>>
>>> So unless you can reproduce this in a standard linux environment and can
>>> provide a testcase I don't see a way to get this bug forward.
>>>
>>> Richard.
>>>
>>>> Thanks a lot.
>>>>
>>>> Qing
>>>
>>> --
>>> Richard Biener <rguent...@suse.de <mailto:rguent...@suse.de>
>>> <mailto:rguent...@suse.de <mailto:rguent...@suse.de>>>
>>> SUSE Software Solutions Germany GmbH, Maxfeldstrasse 5, 90409 Nuernberg,
>>> Germany; GF: Felix Imendörffer; HRB 36809 (AG Nuernberg)
>>
>>
>
> --
> Richard Biener <rguent...@suse.de <mailto:rguent...@suse.de>>
> SUSE Software Solutions Germany GmbH, Maxfeldstrasse 5, 90409 Nuernberg,
> Germany; GF: Felix Imendörffer; HRB 36809 (AG Nuernberg)
