DeadStoreElimination: fix a corner case of storing a trivial case of a non-trivial enum #84653
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…a non-trivial enum Storing a trivial enum case in a non-trivial enum must be treated like a non-trivial init or assign, e.g. ``` %1 = enum $Optional<String>, #Optional.none!enumelt store %1 to [trivial] %0 // <- cannot delete this store! store %2 to [assign] %0 ```
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Storing a trivial enum case in a non-trivial enum must be treated like a non-trivial init or assign, e.g.