[Bug 38327] Uninitialized matrix

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=38327

--- Comment #5 from Sergey Isakov <isakov-sl at bk.ru> ---
(In reply to Matteo Bruni from comment #3)
> (In reply to Sergey Isakov from comment #2)
> > (In reply to Matteo Bruni from comment #1)
> > > Those values are not really used so it doesn't matter in practice. I don't
> > > get those warnings, what compiler / version are you using?
> > 
> > Apple's gcc-4.2.1 with -Os optimization. Without optimization there are no
> > such warning. (?)
> 
> What does happen with the default -O2?

I see in WIKI
---
J. Huk: [feb 10] "-O2" is consider safe for most software "-O3" is not - from
my experience, wine will [crash] with most apps, when compiled with "-O3"
---

But this is very old advice.
For me -Os works fine in all cases.

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