[Reproducible-builds] Link Time Optimization breaks reproducible builds

[Jérémy Bobbio]

conchur at web.de:
> > First, is there already some kind of documentation about this problem in
> > the GCC bug tracker or in the reproducible wiki?
> 
> I got no answer and think this counts as "no". I have now created a ticket
> in the GCC bugtracker at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65015

Thanks for doing so!

GCC is definitely full of unknown features. Could you try again adding
the `-save-temps` option?  It seems to make the intermediate file names
deterministic according to my tests.

-- 
Lunar                                .''`. 
lunar at debian.org                    : :Ⓐ  :  # apt-get install anarchism
                                    `. `'` 
                                      `-   
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