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Bug#1004184: gcc-11: generate bad code for matplotlib with -O1/-O2 on mips64el

Hi YunQiang, mips porters,

On 28-04-2023 15:51, YunQiang Su wrote:

Paul Gevers <elbrus@debian.org> 于2023年4月27日周四 04:26写道：

On Fri, 24 Feb 2023 23:10:29 +0000 James Addison <jay@jp-hosting.net> wrote:

Hi Frederic: I'm linking a forwarded GCC GNU bug report that I _think_ is the
upstream report matching this bug.  I found it from a related GitHub issue[1]
for matplotlib.

The GCC bug reporter has done some work to create a minimal reproducer case.
Could you check whether the issue reported there is the same one as here?  (I
will do eventually, but am not familiar with C and do not have mips hardware
available so it may take some time)

[1] - https://github.com/matplotlib/matplotlib/issues/21789


We're you ever made aware of this bug in gcc-11 and gcc-12? Maybe a bit
of your help is appropriate.



Sorry about that I forget this bug...
I will dig it.
Did anything happen here? Lagging progress (reporting) on bugs like this isn't great for architectures in the the architecture qualification. 

Paul

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