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.
Marek
