Actual lifetime of static array slices?

[Elfstone]

On Tuesday, 15 November 2022 at 03:18:17 UTC, Siarhei Siamashka 
wrote:
> On Tuesday, 15 November 2022 at 03:05:30 UTC, Elfstone wrote:
>> So the compiler detects escaping in foo() but not in bar(), 
>> this doesn't look right.
>
> The compiler can detect it with -dip1000 command line option.
>
>> Is there a way to tell whether a slice is from a dynamic array 
>> or a static array?
>
> For debugging purposes? Maybe find the stack boundaries and 
> check if the address is in stack?

Great! This should be a builtin feature!

I just checked the DIP list and #1000 is marked superseded. Any 
idea what supersedes it?