------- Comment #4 from fabien dot chene at gmail dot com 2010-03-30 10:07
-------
(In reply to comment #3)
> (In reply to comment #2)
> > is it still invalid in c++0X ?
>
> Yes.
>
> > 5.3.4.15 has been revamped, and I no longer find a motif to reject such
> > code.
>
> In C++0x the object is default-initialized, which for a class type means the
> default constructor is called. In this code, the default constructor is
> deleted, so the code will not compile. See 12.1/5
OK thanks.
> > I think the following code is also invalid, according to 8.5.6 (c++03) /
> > 8.5.8
> > (c++0x):
> >
> > struct A { int& i; };
> > void f () { new A; }
>
> Not quite: in C++0x the program doesn't call for default-initialization of
> A::i, it calls for default-initialization of A, which is invalid because the
> default constructor is deleted.
OK, but it appears that the C++0X part is not yet implemented in GCC -- the
constructor is not deleted in this case.
Nevertheless, can you confirm that it is valid C++03 ?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25811
