// swift-interface-format-version: 1.0
// swift-compiler-version: Apple Swift version 5.9
// swift-module-flags: -target arm64-apple-macosx11 -enable-library-evolution -swift-version 5 -library-level api -module-name Test

// RUN: not %target-swift-frontend -typecheck-module-from-interface -module-name Test %s 2>&1 | %FileCheck %s

// REQUIRES: OS=macosx

import Swift

@available(macOS 11, *)
public struct S {}

public typealias A = S

// CHECK: error: 'S' is only available in macOS 11 or newer; clients of 'Test' may have a lower deployment target
// CHECK: error: failed to verify module interface of 'Test' due to the errors above;