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

[John McCall]

On Mar 22, 2011, at 9:58 PM, Chris Lattner wrote:

> 
> 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?

I wanted to float it for a bit before making it an error.  It could be an error, though.

John.