safety and auto vectorization

[Andy Balba]

On Monday, 3 August 2020 at 19:42:51 UTC, Steven Schveighoffer 
wrote:
> On 8/3/20 3:22 PM, Bruce Carneal wrote:
>> 
>> Thanks Steve (and Chad).  Summary: underspecified, varying 
>> behavior across versions, buggy.
>> 
>> Steve, what's the best way for me to report this?  Are spec 
>> issues lumped in with the other bugzilla reports?
>
> Yep. You can file under dlang.org with the spec keyword.
>
> Although this looks like it's not exactly a spec issue. I'd 
> start it as a dmd bug (I don't know the exact interaction with 
> the compiler and the library). It might also be a druntime bug.
>
> -Steve

FWIW   ..using gdc Debian 8.3.0-6,   dst[]= generates a range 
error
     auto a = [1, 2, 3];
     auto b = [4, 5, 6];
     int[] dst = new int[4]; // note the extra element
     dst[] = a[] + b[];
     writeln(dst[3]);