[5.6] Use the API Name of Enum Parameters to Determine Coding Keys #40597
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Covers a missing case in codable synthesis for enums with argument payloads that have internal and external labels. When the name of the var decl is used, the internal name of the parameter becomes the key instead of the API name. In this case, this causes an invalid reference to an enum case with the internal name as an argument to be synthesized in the derived Decodable conformance which (hopefully) crashes downstream. rdar://86339848
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Cherry picked from #40596
Covers a missing case in codable synthesis for enums with argument
payloads that have internal and external labels. When the name of the
var decl is used, the internal name of the parameter becomes the key
instead of the API name. In this case, this causes an invalid reference
to an enum case with the internal name as an argument to be synthesized
in the derived Decodable conformance which (hopefully) crashes
downstream.
rdar://86339848