[Issue 16037] assigning delegate to a scope variable shouldn't allocate closure

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=16037

--- Comment #11 from anonymous4 <dfj1esp02 at sneakemail.com> ---
(In reply to Mathias Lang from comment #9)
> So I strongly oppose gratuitous breakage of code (breakage with does not
> come with a deprecation)
You want usage of `scope` storage class be reported as deprecated? Would
-transition=scope flag be good enough for it?

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