[PyQt] [SIP] Warning message when building the dev-python/sip-4.19.8 Gentoo package

[Francesco Turco]

Hello.

This is a bug report for SIP.

My GNU/Linux distribution is Gentoo Linux.

The Portage package manager reports the following warning message when 
building dev-python/sip-4.19.8:

> QA Notice: Package triggers severe warnings which indicate that it
>            may exhibit random runtime failures.
> /var/tmp/portage/dev-python/sip-4.19.8/work/sip-4.19.8/siplib/qtlib.c:474:5: 
warning: dereferencing type-punned pointer will break strict-aliasing rules [-
Wstrict-aliasing]
> /var/tmp/portage/dev-python/sip-4.19.8/work/sip-4.19.8/siplib/qtlib.c:
502:13: warning: dereferencing type-punned pointer will break strict-aliasing 
rules [-Wstrict-aliasing]
> /var/tmp/portage/dev-python/sip-4.19.8/work/sip-4.19.8/siplib/qtlib.c:526:5: 
warning: dereferencing type-punned pointer will break strict-aliasing rules [-
Wstrict-aliasing]
> /var/tmp/portage/dev-python/sip-4.19.8/work/sip-4.19.8/siplib/qtlib.c:
646:17: warning: dereferencing type-punned pointer will break strict-aliasing 
rules [-Wstrict-aliasing]
>
> Please do not file a Gentoo bug and instead report the above QA
> issues directly to the upstream developers of this software.
> Homepage: https://www.riverbankcomputing.com/software/sip/intro

I'm using GCC 7.3.0.

-- 
https://fturco.gitlab.com/
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