amd64/98893: cc error at -O2 on amd64/6-STABLE compiling port
kris at obsecurity.org
Tue Jun 13 03:07:42 UTC 2006
On Tue, Jun 13, 2006 at 03:00:41AM +0000, Andrew Reilly wrote:
> The following reply was made to PR amd64/98893; it has been noted by GNATS.
> From: Andrew Reilly <andrew-freebsd at areilly.bpc-users.org>
> To: Kris Kennaway <kris at obsecurity.org>
> Cc: FreeBSD-gnats-submit at FreeBSD.org
> Subject: Re: amd64/98893: cc error at -O2 on amd64/6-STABLE compiling port ucspi-tcp
> Date: Tue, 13 Jun 2006 12:58:56 +1000
> On Mon, Jun 12, 2006 at 10:27:03PM -0400, Kris Kennaway wrote:
> > So I'm confused, is it using -O2 or -O2 -fno-strict-aliasing (the
> > default). If the former, it's probably an aliasing bug in the source,
> > which is why the default is not plain -O2.
> Sorry for the confusion. -fno-strict-aliasing was included for
> all compiler alternatives, as per the default.
> cc -O2 -fno-strict-aliasing fails
> cc -O -fnostrict-aliasing works
> gcc41 -O2 -fno-strict-aliasing works
> It doesn't look like an aliasing bug in the source to me, as the
> gethostname result isn't passed through a variable, let alone
> one that could be dereferenced.
OK, thanks. Not sure what is going on then :(
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