[clang] No longer add enumeration constants to the wrong scope (PR #134998)

[Erich Keane via cfe-commits]

erichkeane wrote:

> > > I thought CWG's preferred direction on this was to reject entirely?
> > 
> > 
> > What do they wish to reject? Defining an enum in a different declaration context than its primary context? That seems odd.
> > Do you have an idea of the CWG DR? We looked but couldn't find anything that looked like it.
> 
> [CWG1485](https://cplusplus.github.io/CWG/issues/1485.html): "CWG agreed that an unscoped opaque enumeration in class scope should be forbidden."

Interesting!  WE missed that one looking through.  That definitely solves the problem!

https://github.com/llvm/llvm-project/pull/134998