[Issue 22563] Nested structs, if not escaping, shouldn't allocate context (just like delegates)

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22563

--- Comment #3 from Stanislav Blinov <stanislav.blinov at gmail.com> ---
IOW, if there is a way to escape it, there's a bug.

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