On Tue, 2010-02-02 at 18:13 +0000, Matthew Barnes wrote:
> On Tue, 2010-02-02 at 12:27 -0500, Paul Smith wrote:
> > Anyway, I agree with you that if Evo makes use of this type of aliasing
> > then we should definitely add that flag to the default makefile flags.
> > Configure can check for it and use it if present.
> Done.  Although, I imagine many distros have already disabled strict
> aliasing optimization due to all the compiler warnings we used to have
> about it.
> If GCC or even LLVM ever learns to detect cases like what Jeff ran into
> and -warn- about them, I'd love to know about it so I can it to our
> already lengthy list of warning flags we build with by default now.

I don't know ... Jeff's demonstration was using obviously wrong C code,
so I'm on GCC side for that one.


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