Xi Ge 747d9dfe3b swift-api-digester: add a field to indicate whether a decl or a conformance is ABI placeholder. ...

ABI placeholders are decls with attribute '@available(macOS 9999, iOS
9999, tvOS 9999, watchOS 9999, *)'. The diagnostics phase could be
forgiving for ABI breakages on these decls since they are added
recently. This patch adds a new flag to the json file indicating whether
a declaration or a conformance is an ABI placeholder. The checking of
placeholder is transitive, meaning a decl is an ABI placeholder if its
decl context is one.

rdar://49502365

2019-04-02 10:45:27 -07:00

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