[Issue 10465] ReturnType does not store the storage class

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=10465

b2.temp at gmx.com changed:

           What    |Removed                     |Added
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                 CC|                            |b2.temp at gmx.com

--- Comment #1 from b2.temp at gmx.com ---
But "ref" is not a type ctor
(https://dlang.org/spec/declaration.html#typequal_vs_storageclass). The alias
returned by ReturnType type is correct.

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