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7ea778f3a0
A `@backDeployed` function printed in a `.swiftinterface` must have a function body so that SILGen can emit a fallback copy to call when the back deployed function is unavailable. Previously, the compiler would crash in SILGen when compiling an interface containing a back deployed function without a body. Resolves rdar://141593108.
25 lines
1.2 KiB
Plaintext
25 lines
1.2 KiB
Plaintext
// RUN: %empty-directory(%t)
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// RUN: split-file %s %t
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// RUN: not %target-swift-typecheck-module-from-interface(%t/Test.swiftinterface) -module-name Test 2>&1 | %FileCheck %s
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// REQUIRES: OS=macosx || OS=ios || OS=tvos || OS=watchos || OS=visionos
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// This test uses split-file because the check lines cannot appear as comments
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// in the interface (they'd match themselves in the diagnostic output).
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// FIXME: -verify should work for -typecheck-module-from-interface
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// CHECK: Test.swiftinterface:5:2: error: '@backDeployed' requires that global function 'backDeployedFuncWithoutBody()' have a body
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// CHECK: Test.swiftinterface:9:2: error: '@backDeployed' must not be used on stored properties
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//--- Test.swiftinterface
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// swift-interface-format-version: 1.0
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// swift-module-flags:
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@available(macOS 14.4, iOS 17.4, watchOS 10.4, tvOS 17.4, visionOS 1.1, *)
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@backDeployed(before: macOS 15.0, iOS 18.0, watchOS 11.0, tvOS 18.0, visionOS 2.0)
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public func backDeployedFuncWithoutBody()
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@available(macOS 14.4, iOS 17.4, watchOS 10.4, tvOS 17.4, visionOS 1.1, *)
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@backDeployed(before: macOS 15.0, iOS 18.0, watchOS 11.0, tvOS 18.0, visionOS 2.0)
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public var backDeployedVarWithoutBody: Int
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