[5.5] ModuleInterface: avoid omitting platform names when printing @available #38877
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@swift-ci please test |
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Build failed |
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@swift-ci Please clean test Linux platform |
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Original: #38874 |
airspeedswift
approved these changes
Aug 16, 2021
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Thanks! @airspeedswift |
AnthonyLatsis
added
🍒 release cherry pick
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When printing module interfaces, the Swift compiler used to omit explicit @available attribute for macCatalyst if the introducing OS version number is identical to that of the iOS @available attribute. This is problematic when adding @_originallyDefinedIn attribute for macCatalyst to an interface because the compiler will then complain about missing availability information for macCatalyst. This PR teaches the compiler to always print explicit @available attributes for all platforms in module interfaces.
rdar://81903124