[Issue 22572] Cannot define SumType over immutable struct with Nullable

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22572

Paul Backus <snarwin+bugzilla at gmail.com> changed:

           What    |Removed                     |Added
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          Component|dmd                         |phobos
           Hardware|x86_64                      |All
                 OS|Linux                       |All

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