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da2d250105
Depending on deployment target and platform, the function called to diagnose reaching unavailable code could be `_diagnoseUnavailableCodeReached()` itself, the back-deployment thunk, or the `@_alwaysEmitIntoClient` variant of the function. Resolves rdar://121344690
22 lines
605 B
Swift
22 lines
605 B
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-build-swift -module-name main -Xfrontend -unavailable-decl-optimization=stub %s -o %t/a.out
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// RUN: %target-codesign %t/a.out
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// RUN: %target-run %t/a.out > %t/output 2>&1 || true
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// RUN: %FileCheck %s < %t/output
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// REQUIRES: executable_test
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@available(*, unavailable)
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public func foo() {
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print("Can't call this")
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}
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// To bypass the typechecker, forward declare an available function with the
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// same mangling as foo.
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@_silgen_name("$s4main3fooyyF")
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func callFoo()
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// CHECK: Fatal error: Unavailable code reached
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// CHECK-NOT: Can't call this
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callFoo()
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