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

[Paul Gevers]

Hi mips porters,

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

Source: gcc-11
Control: forwarded -1 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104914

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

Paul

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

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