[Issue 16381] Wrapping a float4 array leads to segfault.

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16381

--- Comment #3 from Bartek Siudeja <siudej at gmail.com> ---
True, but: 

My wrapper is a superclass of an abstract storage class, and not all
implementations can return a reference to float4. Another superclass looks more
or less like std.container.Array!bool, so the common interface/base class can't
use ref.

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