[Issue 23001] missing unreachable code warning with switch inside switch

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23001

moonlightsentinel at disroot.org changed:

           What    |Removed                     |Added
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                 CC|                            |moonlightsentinel at disroot.o
                   |                            |rg
           Severity|normal                      |regression

--- Comment #1 from moonlightsentinel at disroot.org ---
Regression introduced in 2.063.1 according to run.dlang.io. Probably caused by
the same PR that introduced issue 22999

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