IRGen: fix a problem with 24-bit enum payloads in statically initialized global variables #67534
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…zed global variables IRGen crashed in case an enum, which has a 24 bit payload (e.g. three `UInt8`), is used as a payload of another enum, e.g. `Optional`, in a statically initialized global variable. rdar://112823823
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IRGen crashed in case an enum, which has a 24 bit payload (e.g. three
UInt8), is used as a payload of another enum, e.g.Optional, in a statically initialized global variable.rdar://112823823