DIP 1016 should use expression lowering, not statement lowering

[Andrei Alexandrescu]

On 1/30/19 3:34 AM, Kagamin wrote:
> On Tuesday, 29 January 2019 at 11:52:40 UTC, Andrei Alexandrescu wrote:
>> Where should the temporary go?
> 
> Doesn't D already specify allocation and lifetime of temporaries? AIU 
> the DIP doesn't invent the notion of a temporary.

My bad, I overloaded the term "temporary". I meant the variable inserted 
by the lowering.