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. Does your case also happen in a mingw/windows environment? Richard. > > Qing > > > On Feb 9, 2021, at 2:18 AM, Richard Biener <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>> > >> > >> 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>> > > SUSE Software Solutions Germany GmbH, Maxfeldstrasse 5, 90409 Nuernberg, > > Germany; GF: Felix Imendörffer; HRB 36809 (AG Nuernberg) > > -- Richard Biener <rguent...@suse.de> SUSE Software Solutions Germany GmbH, Maxfeldstrasse 5, 90409 Nuernberg, Germany; GF: Felix Imendörffer; HRB 36809 (AG Nuernberg)
