DMD 0.177 release

[Walter Bright]

Stewart Gordon wrote:
> C'mon, what's your use case for being allowed to return something other 
> than the new value of a from the expression (a = b)?

I don't have one. But I prefer to impose as few restrictions as 
possible, as people keep finding unanticipated cool new things to do. So 
I'd argue that there should be compelling case put forward to impose 
such a restriction, rather than wondering what one can do with the 
flexibility.