On Fri, 19 May 2017, Marek Polacek wrote:
> On Thu, May 18, 2017 at 01:00:39PM +0200, Richard Biener wrote:
> >
> > The following reverts an earlier change of mine (2008) to explicitely
> > warn about accessing alias-set zero memory with alias-set non-zero.
> > That was supposed to catch the case in g++.dg/warn/Wstrict-aliasing-6.C
> > which is
> >
> > int foo ()
> > {
> > char buf[8];
> > return *((int *)buf); /* { dg-warning "strict-aliasing" } */
> > }
> >
> > but at least since the typeless storage work this is considered valid
> > and thus this warning is really bogus.
> >
> > Bootstrapped on x86_64-unknown-linux-gnu, testing in progress.
> >
> > Ok for trunk and GCC 7 branch?
>
> I think this is fine.
Thanks.
Committed to trunk sofar.
Richard.
