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Most invalid attributes are skipped from serialization entirely, but custom attributes don't have their invalid bit set - the particular custom attribute (eg. a property wrapper) is requested when needed and skipped if invalid. Those checks can't set the invalid bit since the attribute could be a different custom attribute (eg. a result builder).
15 lines
400 B
Swift
15 lines
400 B
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -module-name errors -emit-module -o %t/errors.swiftmodule -experimental-allow-module-with-compiler-errors %s
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// Property wrappers are invalid on top level code, check allowing errors
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// does not crash
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@propertyWrapper
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public struct Wrapper<T> {
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public var wrappedValue: T
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public init() {}
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}
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@Wrapper
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public var topLevelVar: Int = 10
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