delegate confusion

[Moritz Maxeiner via Digitalmars-d]

On Friday, 4 August 2017 at 17:44:23 UTC, Timon Gehr wrote:
> On 04.08.2017 19:36, Moritz Maxeiner wrote:
>>>
>>> Next I run `bar`. I get the same output of "4 4 4 4 4". While 
>>> this hack works in C#, I suppose it's reasonable to assume 
>>> the D compiler would just reuse stack space for `j`, and that 
>>> the C# compiler has some special logic built in to handle 
>>> this.
>> 
>> Yes, `j` exists once in foo's stack frame, so the same thing 
>> as in the above happens, because `j`'s value after the loop's 
>> termination is also 4.
>
> Make `j` 'immutable' to appreciate why this behavior is unsound 
> (this is a form of memory corruption).

I was (explicitly) arguing that it's in keeping with the current 
spec.
That the spec is unsound and should be updated is another matter 
(on which I agree with you).