[clang] [clang] Improved diagnostics for explicit specialization/instantiation of closure type members (PR #192843)

[Oliver Hunt via cfe-commits]

ojhunt wrote:

> > > @StefanPaulet Do you need us to merge this for you? Thanks!
> > 
> > 
> > We should not be merging with "changes requested" reviews. @ojhunt can you review this again (and hopefully approve)?
> 
> will do, one moment

just to clarify I had started before I sent this reply, but while I was reading I realized I should respond so it was clear I was looking, I didn't manage a 30 second review (with that speed I could deal with our backlog in like a week :) )

https://github.com/llvm/llvm-project/pull/192843