http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50704
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2011-10-12 17:00:54
UTC ---
(In reply to comment #2)
> Ah! It happens because the underlying architecture is 32-bit. We should run
> these tests only on 64-bit architectures to get the correct warnings. So I'll
> add /* { dg-require-effective-target lp64 } */ option.
>
> By the way, is it a correct option to disable running the test on 32-bit
> archs?
>
>
X86 supports ia32, x32 and lp64. I think you want to run it for x32 and
lp32.
