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14200e412c
It should no longer be necessary to provide an `@_alwaysEmitIntoClient` version of `_diagnoseUnavailableCodeReached()`. This workaround was originally added to provide compatibility with projects that were misconfigured to compile against a newer stdlib but link against an older one. Resolves rdar://119892482.
17 lines
812 B
Swift
17 lines
812 B
Swift
// RUN: %target-swift-emit-sil -module-name Test -parse-as-library %s -verify -unavailable-decl-optimization=stub | %FileCheck %s --check-prefixes=CHECK
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public struct S {}
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// CHECK-LABEL: sil{{.*}}@$s4Test15unavailableFuncAA1SVyF
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// CHECK: [[FNREF:%.*]] = function_ref @$[[DIAGNOSEFN:(ss31_diagnoseUnavailableCodeReacheds5NeverOyF|ss31_diagnoseUnavailableCodeReacheds5NeverOyFTwb)]] : $@convention(thin) () -> Never
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// CHECK-NEXT: [[APPLY:%.*]] = apply [[FNREF]]()
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// CHECK-NEXT: unreachable
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// CHECK-NEXT: } // end sil function '$s4Test15unavailableFuncAA1SVyF'
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@available(*, unavailable)
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public func unavailableFunc() -> S {
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// No warning should be produced for this code even though the compiler
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// inserted call to _diagnoseUnavailableCodeReached() makes it unreachable.
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return S()
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}
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