So what about -betterC flag?

[Rel via Digitalmars-d]

On Wednesday, 11 May 2016 at 06:49:51 UTC, Rel wrote:
> So... Has anything changed about the -betterC flag lately? It 
> is now documented as a compiler flag, but there is no 
> documentation on how to properly use it. Is it considered to be 
> stable now or it is still a hack? What language features are 
> forbidden when using this flag?

Anyone?