[patch testsuite g++.dg gcc.dg]: Fix various tests for w64

[Janis Johnson]

On Fri, 2008-09-26 at 13:17 +0200, Kai Tietz wrote:
> Hello,
> 
> some more fixes in testsuite related to w64.
> 
> ChangeLog
> 
> 2008-09-26  Kai Tietz  <kai.tietz@onevision.com>
> 
>         * g++.dg/abi/offsetof.C (main): Use __SIZE_TYPE__ instead of 
> unsigned long
>         for pointer cast.
>         * g++.dg/init/struct1.C: Likewise.
>         * g++.dg/init/struct2.C: Likewise.
>         * g++.dg/init/struct3.C: Likewise.
>         * g++.dg/ext/utf-cvt.C: Correct for w64.
>         * gcc.dg/utf-cvt.c: Likewise.
> 
> Tested on x86_64-pc-mingw32 and i686-pc-cygwin.
> Is this ok for apply on trunk?

The ones that case to __SIZE_TYPE__ are OK.  For the ones that now
use { { x86_64-*-mingw* } || ilp32 }, is there a more generic
effective-target keyword that you could add instead of using the
target triple?  What are the characteristics of the target that
make the check relevant?

Janis