Tom Lane wrote:

Bruce Momjian <[EMAIL PROTECTED]> 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

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.



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