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// RUN: %empty-directory(%t)
//// Build the private module and the public module normally.
//// Force the public module to be system with an underlying Clang module.
// RUN: %target-swift-frontend -emit-module -DPRIVATE_LIB %s -module-name private_lib -emit-module-path %t/private_lib.swiftmodule
// RUN: %target-swift-frontend -emit-module -DPUBLIC_LIB %s -module-name public_lib -emit-module-path %t/public_lib.swiftmodule -I %t -I %S/Inputs/protocol-requirement-in-implementation-only -import-underlying-module
//// Printing the public module should not crash when reading the HiddenStruct typealias in `M`.
// RUN: %target-swift-ide-test -print-module -module-to-print=public_lib -source-filename=x -skip-overrides -I %t
#if PRIVATE_LIB
public struct HiddenStruct: Equatable {
public init() {}
}
#elseif PUBLIC_LIB
@_implementationOnly import private_lib
protocol SomeProtocol {
// Make sure we recover from failure when reading the type witness and
// associated conformance.
associatedtype Value: Equatable
static var defaultValue: Value { get }
}
public struct M: SomeProtocol {
typealias Value = HiddenStruct
static let defaultValue = HiddenStruct()
}
#endif
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