Merge pull request #11684 from gottesmm/pr-456944701b0ac9de4037c846466df3ac0647a48e

Author: swift-ci

test/SILGen/objc_attr_NSManaged.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend -sdk %S/Inputs %s -I %S/Inputs -enable-source-import -emit-silgen | %FileCheck %s
+// RUN: %target-swift-frontend -sdk %S/Inputs %s -I %S/Inputs -enable-source-import -emit-silgen -enable-sil-ownership | %FileCheck %s
 
 // REQUIRES: objc_interop
 
@@ -69,7 +69,7 @@ extension FinalGizmo {
 }
 
 // CHECK-LABEL: sil hidden @_T019objc_attr_NSManaged9testFinalSSAA0E5GizmoCF : $@convention(thin) (@owned FinalGizmo) -> @owned String {
-// CHECK: bb0([[ARG:%.*]] : $FinalGizmo):
+// CHECK: bb0([[ARG:%.*]] : @owned $FinalGizmo):
 // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
 // CHECK: class_method [volatile] [[BORROWED_ARG]] : $FinalGizmo, #FinalGizmo.kvc2!1.foreign : (FinalGizmo) -> () -> (), $@convention(objc_method) (FinalGizmo) -> ()
 // CHECK-NOT: return

test/SILGen/objc_attr_NSManaged_multi.swift

@@ -1,11 +1,11 @@
-// RUN: %target-swift-frontend -sdk %S/Inputs -primary-file %s %S/objc_attr_NSManaged.swift -I %S/Inputs -enable-source-import -emit-silgen | %FileCheck %s
+// RUN: %target-swift-frontend -sdk %S/Inputs -primary-file %s %S/objc_attr_NSManaged.swift -I %S/Inputs -enable-source-import -emit-silgen -enable-sil-ownership | %FileCheck %s
 
 // REQUIRES: objc_interop
 
 import Foundation
 
 // CHECK-LABEL: sil hidden @_T025objc_attr_NSManaged_multi9testMultiyXlAA10SwiftGizmoCF : $@convention(thin) (@owned SwiftGizmo) -> @owned AnyObject {
-// CHECK: bb0([[ARG:%.*]] : $SwiftGizmo):
+// CHECK: bb0([[ARG:%.*]] : @owned $SwiftGizmo):
 // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
 // CHECK: = class_method [volatile] [[BORROWED_ARG]] : $SwiftGizmo, #SwiftGizmo.kvc!1.foreign : (SwiftGizmo) -> () -> (), $@convention(objc_method) (SwiftGizmo) -> ()
 // CHECK-NOT: return
@@ -22,7 +22,7 @@ func testMulti(_ obj: SwiftGizmo) -> AnyObject {
 }
 
 // CHECK-LABEL: sil hidden @_T025objc_attr_NSManaged_multi14testFinalMultiSSAA0F5GizmoCF : $@convention(thin) (@owned FinalGizmo) -> @owned String {
-// CHECK: bb0([[ARG:%.*]] : $FinalGizmo):
+// CHECK: bb0([[ARG:%.*]] : @owned $FinalGizmo):
 // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
 // CHECK: class_method [volatile] [[BORROWED_ARG]] : $FinalGizmo, #FinalGizmo.kvc2!1.foreign : (FinalGizmo) -> () -> (), $@convention(objc_method) (FinalGizmo) -> ()
 // CHECK-NOT: return

test/SILGen/objc_blocks_bridging.swift

@@ -1,14 +1,14 @@
 // RUN: %empty-directory(%t)
 // RUN: %build-silgen-test-overlays
-// RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) -verify -emit-silgen -I %S/Inputs -disable-objc-attr-requires-foundation-module %s | %FileCheck %s
+// RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) -verify -emit-silgen -I %S/Inputs -disable-objc-attr-requires-foundation-module -enable-sil-ownership %s | %FileCheck %s
 
 // REQUIRES: objc_interop
 
 import Foundation
 
 @objc class Foo {
 // CHECK-LABEL: sil hidden [thunk] @_T020objc_blocks_bridging3FooC3fooS3ic_Si1xtFTo :
-  // CHECK: bb0([[ARG1:%.*]] : $@convention(block) (Int) -> Int, {{.*}}, [[SELF:%.*]] : $Foo):
+  // CHECK: bb0([[ARG1:%.*]] : @unowned $@convention(block) (Int) -> Int, {{.*}}, [[SELF:%.*]] : @unowned $Foo):
   // CHECK:         [[ARG1_COPY:%.*]] = copy_block [[ARG1]]
   // CHECK:         [[SELF_COPY:%.*]] = copy_value [[SELF]]
   // CHECK:         [[THUNK:%.*]] = function_ref @_T0S2iIyByd_S2iIxyd_TR
@@ -23,7 +23,7 @@ import Foundation
   }
 
   // CHECK-LABEL: sil hidden [thunk] @_T020objc_blocks_bridging3FooC3barS3Sc_SS1xtFTo : $@convention(objc_method) (@convention(block) (NSString) -> @autoreleased NSString, NSString, Foo) -> @autoreleased NSString {
-  // CHECK:       bb0([[BLOCK:%.*]] : $@convention(block) (NSString) -> @autoreleased NSString, [[NSSTRING:%.*]] : $NSString, [[SELF:%.*]] : $Foo):
+  // CHECK:       bb0([[BLOCK:%.*]] : @unowned $@convention(block) (NSString) -> @autoreleased NSString, [[NSSTRING:%.*]] : @unowned $NSString, [[SELF:%.*]] : @unowned $Foo):
   // CHECK:         [[BLOCK_COPY:%.*]] = copy_block [[BLOCK]]
   // CHECK:         [[NSSTRING_COPY:%.*]] = copy_value [[NSSTRING]]
   // CHECK:         [[SELF_COPY:%.*]] = copy_value [[SELF]]
@@ -39,7 +39,7 @@ import Foundation
   }
 
   // CHECK-LABEL: sil hidden [thunk] @_T020objc_blocks_bridging3FooC3basSSSgA2Ec_AE1xtFTo : $@convention(objc_method) (@convention(block) (Optional<NSString>) -> @autoreleased Optional<NSString>, Optional<NSString>, Foo) -> @autoreleased Optional<NSString> {
-  // CHECK:       bb0([[BLOCK:%.*]] : $@convention(block) (Optional<NSString>) -> @autoreleased Optional<NSString>, [[OPT_STRING:%.*]] : $Optional<NSString>, [[SELF:%.*]] : $Foo):
+  // CHECK:       bb0([[BLOCK:%.*]] : @unowned $@convention(block) (Optional<NSString>) -> @autoreleased Optional<NSString>, [[OPT_STRING:%.*]] : @unowned $Optional<NSString>, [[SELF:%.*]] : @unowned $Foo):
   // CHECK:         [[BLOCK_COPY:%.*]] = copy_block [[BLOCK]]
   // CHECK:         [[OPT_STRING_COPY:%.*]] = copy_value [[OPT_STRING]]
   // CHECK:         [[SELF_COPY:%.*]] = copy_value [[SELF]]
@@ -54,7 +54,7 @@ import Foundation
   }
 
   // CHECK-LABEL: sil hidden [thunk] @_T020objc_blocks_bridging3FooC16cFunctionPointer{{[_0-9a-zA-Z]*}}FTo
-  // CHECK:       bb0([[F:%.*]] : $@convention(c) (Int) -> Int, [[X:%.*]] : $Int, [[SELF:%.*]] : $Foo):
+  // CHECK:       bb0([[F:%.*]] : @trivial $@convention(c) (Int) -> Int, [[X:%.*]] : @trivial $Int, [[SELF:%.*]] : @unowned $Foo):
   // CHECK:         [[SELF_COPY:%.*]] = copy_value [[SELF]]
   // CHECK:         [[BORROWED_SELF_COPY:%.*]] = begin_borrow [[SELF_COPY]]
   // CHECK:         [[NATIVE:%.*]] = function_ref @_T020objc_blocks_bridging3FooC16cFunctionPointer{{[_0-9a-zA-Z]*}}F
@@ -67,10 +67,10 @@ import Foundation
 
   // Blocks and C function pointers must not be reabstracted when placed in optionals.
   // CHECK-LABEL: sil hidden [thunk] @_T020objc_blocks_bridging3FooC7optFunc{{[_0-9a-zA-Z]*}}FTo
-  // CHECK: bb0([[ARG0:%.*]] : $Optional<@convention(block) (NSString) -> @autoreleased NSString>,
+  // CHECK: bb0([[ARG0:%.*]] : @unowned $Optional<@convention(block) (NSString) -> @autoreleased NSString>,
   // CHECK:         [[COPY:%.*]] = copy_block [[ARG0]]
   // CHECK:         switch_enum [[COPY]] : $Optional<@convention(block) (NSString) -> @autoreleased NSString>, case #Optional.some!enumelt.1: [[SOME_BB:bb[0-9]+]], case #Optional.none!enumelt: [[NONE_BB:bb[0-9]+]]
-  // CHECK: [[SOME_BB]]([[BLOCK:%.*]] : $@convention(block) (NSString) -> @autoreleased NSString):
+  // CHECK: [[SOME_BB]]([[BLOCK:%.*]] : @owned $@convention(block) (NSString) -> @autoreleased NSString):
   // TODO: redundant reabstractions here
   // CHECK:         [[BLOCK_THUNK:%.*]] = function_ref @_T0So8NSStringCABIyBya_S2SIxxo_TR
   // CHECK:         [[BRIDGED:%.*]] = partial_apply [[BLOCK_THUNK]]([[BLOCK]])
@@ -96,7 +96,7 @@ func callBlocks(_ x: Foo,
   g: @escaping (String) -> String,
   h: @escaping (String?) -> String?
 ) -> (Int, String, String?, String?) {
-  // CHECK: bb0([[ARG0:%.*]] : $Foo, [[ARG1:%.*]] : $@callee_owned (Int) -> Int, [[ARG2:%.*]] : $@callee_owned (@owned String) -> @owned String, [[ARG3:%.*]] : $@callee_owned (@owned Optional<String>) -> @owned Optional<String>):
+  // CHECK: bb0([[ARG0:%.*]] : @owned $Foo, [[ARG1:%.*]] : @owned $@callee_owned (Int) -> Int, [[ARG2:%.*]] : @owned $@callee_owned (@owned String) -> @owned String, [[ARG3:%.*]] : @owned $@callee_owned (@owned Optional<String>) -> @owned Optional<String>):
   // CHECK: [[BORROWED_ARG0:%.*]] = begin_borrow [[ARG0]]
   // CHECK: [[FOO:%.*]] =  class_method [volatile] [[BORROWED_ARG0]] : $Foo, #Foo.foo!1.foreign
   // CHECK: [[BORROWED_ARG1:%.*]] = begin_borrow [[ARG1]]

test/SILGen/objc_bridged_generic_conformance.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -emit-silgen %s -import-objc-header %S/Inputs/objc_bridged_generic_conformance.h -verify
+// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -emit-silgen %s -import-objc-header %S/Inputs/objc_bridged_generic_conformance.h -verify -enable-sil-ownership
 // REQUIRES: objc_interop
 
 protocol P { func test() }

test/SILGen/objc_bridged_generic_nonnull.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend -emit-silgen -verify -import-objc-header %S/Inputs/objc_bridged_generic_nonnull.h %s
+// RUN: %target-swift-frontend -emit-silgen -verify -import-objc-header %S/Inputs/objc_bridged_generic_nonnull.h -enable-sil-ownership %s
 // REQUIRES: objc_interop
 
 public func test<T>(_ x: NonnullMembers<T>) -> T? {

test/SILGen/objc_bridged_results.swift

@@ -1,14 +1,14 @@
 // RUN: %empty-directory(%t)
 // RUN: %build-silgen-test-overlays
 
-// RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) -emit-silgen %s -Xllvm -sil-print-debuginfo -import-objc-header %S/Inputs/objc_bridged_results.h | %FileCheck %s
+// RUN: %target-swift-frontend(mock-sdk: -sdk %S/Inputs -I %t) -emit-silgen %s -Xllvm -sil-print-debuginfo -import-objc-header %S/Inputs/objc_bridged_results.h -enable-sil-ownership | %FileCheck %s
 
 // REQUIRES: objc_interop
 
 import Foundation
 
 // CHECK-LABEL: sil hidden @_T020objc_bridged_results11testNonnullSayypGSo4TestCF
-// CHECK: bb0([[ARG:%.*]] : $Test):
+// CHECK: bb0([[ARG:%.*]] : @owned $Test):
 // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
 // CHECK: [[METHOD:%[0-9]+]] = class_method [volatile] [[BORROWED_ARG]] : $Test, #Test.nonnullArray!getter.1.foreign : (Test) -> () -> [Any], $@convention(objc_method) (Test) -> @autoreleased Optional<NSArray>
 // CHECK: [[COCOA_VAL:%[0-9]+]] = apply [[METHOD]]([[BORROWED_ARG]]) : $@convention(objc_method) (Test) -> @autoreleased Optional<NSArray>
@@ -23,13 +23,13 @@ func testNonnull(_ obj: Test) -> [Any] {
 
 // CHECK-LABEL: sil hidden @_T020objc_bridged_results12testNullableSayypGSgSo4TestCF
 func testNullable(_ obj: Test) -> [Any]? {
-  // CHECK: bb0([[ARG:%.*]] : $Test):
+  // CHECK: bb0([[ARG:%.*]] : @owned $Test):
   // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
   // CHECK: [[METHOD:%[0-9]+]] = class_method [volatile] [[BORROWED_ARG]] : $Test, #Test.nullableArray!getter.1.foreign : (Test) -> () -> [Any]?, $@convention(objc_method) (Test) -> @autoreleased Optional<NSArray>
   // CHECK: [[COCOA_VAL:%[0-9]+]] = apply [[METHOD]]([[BORROWED_ARG]]) : $@convention(objc_method) (Test) -> @autoreleased Optional<NSArray>
   // CHECK: switch_enum [[COCOA_VAL]] : $Optional<NSArray>, case #Optional.some!enumelt.1: [[CASE_NON_NIL:bb[0-9]+]], case #Optional.none!enumelt: [[CASE_NIL:bb[0-9]+]]
   //
-  // CHECK: [[CASE_NON_NIL]]([[COCOA_VAL_NON_NIL:%.*]] : $NSArray):
+  // CHECK: [[CASE_NON_NIL]]([[COCOA_VAL_NON_NIL:%.*]] : @owned $NSArray):
   // CHECK-NOT: unchecked_enum_data
   // CHECK: [[CONVERT:%[0-9]+]] = function_ref @_T0Sa10FoundationE36_unconditionallyBridgeFromObjectiveCSayxGSo7NSArrayCSgFZ
   // CHECK: [[COCOA_SOME_VAL:%[0-9]+]] = enum $Optional<NSArray>, #Optional.some!enumelt.1, [[COCOA_VAL_NON_NIL]]
@@ -42,7 +42,7 @@ func testNullable(_ obj: Test) -> [Any]? {
   // CHECK:   [[RESULT_NONE:%[0-9]+]] = enum $Optional<Array<Any>>, #Optional.none!enumelt
   // CHECK: br [[FINISH]]([[RESULT_NONE]] : $Optional<Array<Any>>)
 
-  // CHECK: [[FINISH]]([[RESULT:%[0-9]+]] : $Optional<Array<Any>>):
+  // CHECK: [[FINISH]]([[RESULT:%[0-9]+]] : @owned $Optional<Array<Any>>):
   // CHECK: end_borrow [[BORROWED_ARG]] from [[ARG]]
   // CHECK: destroy_value [[ARG]] : $Test
   // CHECK: return [[RESULT]] : $Optional<Array<Any>>
@@ -51,13 +51,13 @@ func testNullable(_ obj: Test) -> [Any]? {
 
 // CHECK-LABEL: sil hidden @_T020objc_bridged_results19testNullUnspecifiedSQySayypGGSo4TestCF
 func testNullUnspecified(_ obj: Test) -> [Any]! {
-  // CHECK: bb0([[ARG:%.*]] : $Test):
+  // CHECK: bb0([[ARG:%.*]] : @owned $Test):
   // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
   // CHECK: [[METHOD:%[0-9]+]] = class_method [volatile] [[BORROWED_ARG]] : $Test, #Test.nullUnspecifiedArray!getter.1.foreign : (Test) -> () -> [Any]!, $@convention(objc_method) (Test) -> @autoreleased Optional<NSArray>
   // CHECK: [[COCOA_VAL:%[0-9]+]] = apply [[METHOD]]([[BORROWED_ARG]]) : $@convention(objc_method) (Test) -> @autoreleased Optional<NSArray>
   // CHECK: switch_enum [[COCOA_VAL]] : $Optional<NSArray>, case #Optional.some!enumelt.1: [[CASE_NON_NIL:bb[0-9]+]], case #Optional.none!enumelt: [[CASE_NIL:bb[0-9]+]]
 
-  // CHECK: [[CASE_NON_NIL]]([[COCOA_VAL_NON_NIL:%.*]] : $NSArray):
+  // CHECK: [[CASE_NON_NIL]]([[COCOA_VAL_NON_NIL:%.*]] : @owned $NSArray):
   // CHECK-NOT: unchecked_enum_data
   // CHECK: [[CONVERT:%[0-9]+]] = function_ref @_T0Sa10FoundationE36_unconditionallyBridgeFromObjectiveCSayxGSo7NSArrayCSgFZ
   // CHECK: [[COCOA_SOME_VAL:%[0-9]+]] = enum $Optional<NSArray>, #Optional.some!enumelt.1, [[COCOA_VAL_NON_NIL]]
@@ -70,7 +70,7 @@ func testNullUnspecified(_ obj: Test) -> [Any]! {
   // CHECK:   [[RESULT_NONE:%[0-9]+]] = enum $Optional<Array<Any>>, #Optional.none!enumelt
   // CHECK: br [[FINISH]]([[RESULT_NONE]] : $Optional<Array<Any>>)
 
-  // CHECK: [[FINISH]]([[RESULT:%[0-9]+]] : $Optional<Array<Any>>):
+  // CHECK: [[FINISH]]([[RESULT:%[0-9]+]] : @owned $Optional<Array<Any>>):
   // CHECK: end_borrow [[BORROWED_ARG]] from [[ARG]]
   // CHECK: destroy_value [[ARG]] : $Test
   // CHECK: return [[RESULT]] : $Optional<Array<Any>>
@@ -80,7 +80,7 @@ func testNullUnspecified(_ obj: Test) -> [Any]! {
 
 // CHECK-LABEL: sil hidden @_T020objc_bridged_results21testNonnullDictionarys0F0Vys11AnyHashableVypGSo4TestCF
 func testNonnullDictionary(_ obj: Test) -> [AnyHashable: Any] {
-  // CHECK: bb0([[ARG:%.*]] : $Test):
+  // CHECK: bb0([[ARG:%.*]] : @owned $Test):
   // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
   // CHECK: [[METHOD:%[0-9]+]] = class_method [volatile] [[BORROWED_ARG]] : $Test, #Test.nonnullDictionary!getter.1.foreign : (Test) -> () -> [AnyHashable : Any], $@convention(objc_method) (Test) -> @autoreleased Optional<NSDictionary>
   // CHECK: [[COCOA_VAL:%[0-9]+]] = apply [[METHOD]]([[BORROWED_ARG]]) : $@convention(objc_method) (Test) -> @autoreleased Optional<NSDictionary>
@@ -95,7 +95,7 @@ func testNonnullDictionary(_ obj: Test) -> [AnyHashable: Any] {
 
 // CHECK-LABEL: sil hidden @_T020objc_bridged_results14testNonnullSets0F0Vys11AnyHashableVGSo4TestCF
 func testNonnullSet(_ obj: Test) -> Set<AnyHashable> {
-  // CHECK: bb0([[ARG:%.*]] : $Test):
+  // CHECK: bb0([[ARG:%.*]] : @owned $Test):
   // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
   // CHECK: [[METHOD:%[0-9]+]] = class_method [volatile] [[BORROWED_ARG]] : $Test, #Test.nonnullSet!getter.1.foreign : (Test) -> () -> Set<AnyHashable>, $@convention(objc_method) (Test) -> @autoreleased Optional<NSSet>
   // CHECK: [[COCOA_VAL:%[0-9]+]] = apply [[METHOD]]([[BORROWED_ARG]]) : $@convention(objc_method) (Test) -> @autoreleased Optional<NSSet>
@@ -110,7 +110,7 @@ func testNonnullSet(_ obj: Test) -> Set<AnyHashable> {
 
 // CHECK-LABEL: sil hidden @_T020objc_bridged_results17testNonnullStringSSSo4TestCF
 func testNonnullString(_ obj: Test) -> String {
-  // CHECK: bb0([[ARG:%.*]] : $Test):
+  // CHECK: bb0([[ARG:%.*]] : @owned $Test):
   // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
   // CHECK: [[METHOD:%[0-9]+]] = class_method [volatile] [[BORROWED_ARG]] : $Test, #Test.nonnullString!getter.1.foreign : (Test) -> () -> String, $@convention(objc_method) (Test) -> @autoreleased Optional<NSString>
   // CHECK: [[COCOA_VAL:%[0-9]+]] = apply [[METHOD]]([[BORROWED_ARG]]) : $@convention(objc_method) (Test) -> @autoreleased Optional<NSString>
@@ -142,7 +142,7 @@ func testClassProp() -> String {
 // not to crash trying to generate the thunk.
 // CHECK-LABEL: sil hidden @_T020objc_bridged_results20testNonnullSubscriptSayypGSo4TestCF
 func testNonnullSubscript(_ obj: Test) -> [Any] {
-  // CHECK: bb0([[ARG:%.*]] : $Test):
+  // CHECK: bb0([[ARG:%.*]] : @owned $Test):
   // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
   // CHECK: [[METHOD:%[0-9]+]] = class_method [volatile] [[BORROWED_ARG]] : $Test, #Test.subscript!getter.1.foreign : (Test) -> (Int) -> [Any], $@convention(objc_method) (Int, Test) -> @autoreleased Optional<NSArray>
   // CHECK: [[COCOA_VAL:%[0-9]+]] = apply [[METHOD]]({{%[0-9]+}}, [[BORROWED_ARG]]) : $@convention(objc_method) (Int, Test) -> @autoreleased Optional<NSArray>
@@ -158,7 +158,7 @@ func testNonnullSubscript(_ obj: Test) -> [Any] {
 
 // CHECK-LABEL: sil hidden @_T020objc_bridged_results19testPerformSelectorySo8NSObjectCF
 func testPerformSelector(_ obj: NSObject) {
-  // CHECK: bb0([[ARG:%.*]] : $NSObject):
+  // CHECK: bb0([[ARG:%.*]] : @owned $NSObject):
   // CHECK: [[BORROWED_ARG:%.*]] = begin_borrow [[ARG]]
   // CHECK: [[METHOD:%[0-9]+]] = class_method [volatile] [[BORROWED_ARG]] : $NSObject, #NSObject.perform!1.foreign
   // CHECK: [[RESULT:%[0-9]+]] = apply [[METHOD]]({{%[0-9]+}}, {{%[0-9]+}}, [[BORROWED_ARG]])

test/SILGen/objc_bridged_using_protocol_extension_impl.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -emit-silgen %s | %FileCheck %s
+// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -emit-silgen -enable-sil-ownership %s | %FileCheck %s
 // REQUIRES: objc_interop
 
 import Foundation