return scope ref outlives the scope of the argument

[Eugene Wissner]

On Tuesday, 25 June 2019 at 07:32:58 UTC, Eugene Wissner wrote:
> struct Container
> {
> }
>
> static struct Inserter
> {
>     private Container* container;
>
>     private this(return scope ref Container container) @trusted
>     {
>         this.container = &container;
>     }
>
> }
>
> auto func()()
> {
>     Container container;
>     return Inserter(container);
> }
>
> void main()
> {
>     static assert(!is(typeof(func!())));
> }
>
> The code above compiles with dmd 2.085, but not 2.086 (with 
> -preview=dip1000). What am I doing wrong?

Whatever. https://issues.dlang.org/show_bug.cgi?id=20006