[cfe-dev] Hi. I found strange behavior... Can I know about what's the `inline class`?

[Chris Lattner]

On Mar 22, 2011, at 9:33 PM, Eli Friedman wrote:

> On Tue, Mar 22, 2011 at 8:57 PM, Eonil Hoon Hwangbo <drawtree at gmail.com> wrote:
>> Hi. I discovered strange behavior. I'm using Clang 2.0 bundled within Xcode4.
>> I accidentally found that the Clang compiler allows :
>> 
>>    inline class AAA
>>    {
>>    };
>> 
>> in C++. Above code compiled successfully without any error.
>> 
>> I posted this question to a community ( http://stackoverflow.com/questions/5388097/whats-the-c-inline-class ) , and many people advised me to report this to this mailing list. They said this look like a bug.
>> Please let me know what's this.
> 
> It's a bug; see http://llvm.org/bugs/show_bug.cgi?id=3941 .

It turns out that John just implemented this in r128118:

t.cc:2:1: warning: 'inline' ignored on this declaration
inline class AAA
^
1 warning generated.


It's not clear to me why this is just a warning though.  John?

-Chris