[m-dev.] type punning with recent versions of gcc
Paul Bone
pbone at csse.unimelb.edu.au
Fri Dec 25 18:01:35 AEDT 2009
On Thu, Dec 24, 2009 at 05:46:42PM +1100, Mark Brown wrote:
> Hi,
>
> Is it worth trying to fix the Mercury libraries to avoid the type-punning
> warnings with recent versions of gcc? There are lots of these, and at least
> some of them seem to cause either mmc or compiled programs to seg fault.
>
> I think it would be better to just pass -fno-strict-aliasing to whatever
> compilers support it. Any problems with that?
I think Matt Guica told me that this worked, or at least that he recommended it.
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