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...instead of relying on the one in the overlay in pre-4.2 versions of Swift. This caused crashes in deserialization, which (deliberately) doesn't respect availability. There are three changes here: - Remove UIEdgeInsets.zero and UIOffset.zero from the UIKit overlay. - Always use the 4.2 name for UIEdgeInsetsZero and UIOffsetZero from the underlying UIKit framework. (This is the nested name.) - Ignore the unavailability messages for those two constants in pre-4.2 Swift, since we're now relying on them being present. The latter two, the compiler changes, can go away once UIKit's API notes no longer specify different pre-4.2 behavior, but meanwhile we need to keep compatibility with the SDKs released in Xcode 10b1. https://bugs.swift.org/browse/SR-7879
11 lines
342 B
Swift
11 lines
342 B
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-build-swift -emit-module-path %t/main4.swiftmodule -swift-version 4 %s
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// RUN: %target-build-swift -emit-module-path %t/main4_2.swiftmodule -swift-version 4.2 %s
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// REQUIRES: OS=ios
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import UIKit
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public func testInsets(_: UIEdgeInsets = .zero) {}
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public func testOffsets(_: UIOffset = .zero) {}
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