// REQUIRES: OS=macosx
// RUN: %empty-directory(%t) && %target-swift-frontend -typecheck -update-code -primary-file %s -emit-migrated-file-path %t/dummy.result -swift-version 4 %api_diff_data_dir
// RUN: %target-swift-frontend -typecheck -update-code -primary-file %s -emit-migrated-file-path %t/dummy.result -swift-version 5 %api_diff_data_dir

func foo() {}