[Issue 11343] [2.064 beta] Error: multiple field initialization

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=11343



--- Comment #11 from Kenji Hara <k.hara.pg at gmail.com> 2013-10-30 01:49:54 PDT ---
(In reply to comment #10)
> Couldn't the compiler to this dirty trick for me?
> If he found such multiple init case, he could rewrite the code. So that this
> code:
> ----
> this(int x, size_t i) {
>     arr[0] = x;
>     arr[1] = x + 1;
>     arr[i] = x + 2;  // which index will be initialized in runtime?
> }
> ----
> 
> if rewritten to this:
> 
> this(int x, size_t i) {
>      Unqual!typeof(arr) __arr = null;
> 
>     __arr[0] = x;
>     __arr[1] = x + 1;
>     __arr[i] = x + 2;
> 
>     this.arr = __arr; /// only _one_ assignment
> }

That would be a bad behavior when the size of arr field is quite big, because
it will silently consume stack memory. I can believe someone will hate it.

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