[BitwiseCopyable] Imported type improvements. #72108
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An imported declaration which has storage that can't be represented in Swift must not be inferred to be BitwiseCopyable: that inference involves looking at the (visible) fields.
If an imported type's conformance cannot be implicitly inferred, allow
it to be explicitly stated via
`__attribute__((__swift_attr__("_BitwiseCopyable")))`.
|
@swift-ci please test |
nate-chandler
requested review from
hborla,
slavapestov,
xedin,
zoecarver,
hyp and
egorzhdan
as code owners
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Tested inference for imported types. Don't infer when an imported type has storage that isn't imported into Swift. Allow a type to explicitly state conformance via
__swift_attr__.