[m-rev.] for post-commit review: compatibility with gcc 3.4

[Fergus Henderson]

On 09-Jul-2004, Zoltan Somogyi <zs at cs.mu.OZ.AU> wrote:
> 
> A fifth problem is that gcc 3.4 by default assumes -fstrict-aliasing at -O2.
> Since we cast between integers and pointers of different types all the time,
> and changing that is not practical, at least in the short term, we need to
> disable -fstrict-aliasing when we enable -O2.

A possible alternative for the longer term would be to declare the MR_Word
type with the `may_alias' attribute (which is supported in GCC >= 3.3),
and likewise for any other types that we use similarly.

-- 
Fergus Henderson                    |  "I have always known that the pursuit
                                    |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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