// Make sure that we can deserialize darwin.
// RUN: %target-sil-opt -assume-parsing-unqualified-ownership-sil %platform-sdk-overlay-dir/Darwin.swiftmodule > /dev/null
// RUN: llvm-bcanalyzer %platform-sdk-overlay-dir/Darwin.swiftmodule | %FileCheck %s

// REQUIRES: objc_interop

// CHECK-NOT: Unknown