Re: fix for strict-alias warnings

Tom Lane wrote:

>Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
>
>
>>OK, what gcc versions support -fno-strict-aliasing? Do we need a
>>configure test for it?
>>
>>
>
>Perhaps ... although it is recognized in 2.95.3 and probably for a good
>ways before that.
>
>It looks to me like what has changed in gcc 3.3 is not the existence
>of the flag, but the fact that -O2 now turns it on where it did not
>before.
>
>
>

Yes, exactly - I have just confirmed this on the archived manuals on the
gcc site.

But turning it off for earlier releases does no harm.

It is known to break 2.7.1 and I believe it will work with 2.95 and later.

cheers

andrew