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Fwd: 5.8: LTO exposes some new issues



I am not likely to pursue this further, I don't have a suitable build
environment.

---------- Forwarded message ---------
From: Tomasz Kłoczko <kloczko.tomasz@xxxxxxxxx>
Date: Sat, Jul 25, 2020 at 11:59 AM
Subject: Re: 5.8: LTO exposes some new issues
To: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>


On Sat, 25 Jul 2020 at 18:43, Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx> wrote:
>
> On Tue, Jul 21, 2020 at 11:00 PM Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx> wrote:
> >
> > Haven't looked at the other warnings you reported.
>
> They all appear to be clashes where the same pointer is declared
> "extern" in a header file but not so in the original source.  It looks
> as if the "mod_import_variable" preprocessor definition is supposed to
> deal with this, perhaps it's not being properly defined in the
> situation where Tomasz is compiling.


Yes and they need to be resolved because even single such warnings and
ld abandons applying LTO.
If you will decide which version should be used in both locations and
will have some patch for that please let me know about that because I
can test that kind of patch instantly proving that there is no other
coalition with LTO.

kloczek
-- 
Tomasz Kłoczko | LinkedIn: http://lnkd.in/FXPWxH



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