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// RUN: %empty-directory(%t)
// RUN: split-file %s %t
// RUN: %target-swift-emit-module-interface(%t/Original.swiftinterface) %t/Original.swift
// RUN: %target-swift-typecheck-module-from-interface(%t/Original.swiftinterface)
// RUN: %target-swift-emit-module-interface(%t/Aliases.swiftinterface) %t/Aliases.swift -I %t
// RUN: %target-swift-typecheck-module-from-interface(%t/Aliases.swiftinterface) -I %t
// RUN: %target-swift-frontend -typecheck -verify %t/UsesAliasesNoImport.swift -enable-library-evolution -I %t -swift-version 6
// This test is a simplified version of missing-import-typealias.swift that
// verifies errors are emitted instead of warnings in Swift 6.
//--- Original.swift
open class Clazz {}
//--- Aliases.swift
import Original
public typealias ClazzAlias = Clazz
//--- UsesAliasesNoImport.swift
public import Aliases
// expected-error@+1 {{'ClazzAlias' aliases 'Original.Clazz' and cannot be used in a public or '@usableFromInline' conformance because 'Original' was not imported by this file}}
public class InheritsFromClazzAlias: ClazzAlias {}
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