Merge pull request #65081 from hyp/eng/5.8-frt

 [interop] add availability for foreign reference types

Author: hyp

SwiftCompilerSources/Sources/AST/DiagnosticEngine.swift

@@ -53,11 +53,17 @@ public struct DiagnosticFixIt {
 }
 
 public struct DiagnosticEngine {
-  private let bridged: swift.DiagnosticEngine
+  private let bridged: BridgedDiagnosticEngine
 
-  public init(bridged: swift.DiagnosticEngine) {
+  public init(bridged: BridgedDiagnosticEngine) {
     self.bridged = bridged
   }
+  public init?(bridged: BridgedOptionalDiagnosticEngine) {
+    guard let object = bridged.object else {
+      return nil
+    }
+    self.bridged = BridgedDiagnosticEngine(object: object)
+  }
 
   public func diagnose(_ position: SourceLoc?,
                        _ id: DiagID,

SwiftCompilerSources/Sources/Parse/Regex.swift

@@ -46,7 +46,7 @@ private func _RegexLiteralLexingFn(
   _ curPtrPtr: UnsafeMutablePointer<UnsafePointer<CChar>>,
   _ bufferEndPtr: UnsafePointer<CChar>,
   _ mustBeRegex: CBool,
-  _ bridgedDiagnosticEngine: swift.DiagnosticEngine?
+  _ bridgedDiagnosticEngine: BridgedOptionalDiagnosticEngine
 ) -> /*CompletelyErroneous*/ CBool {
   let inputPtr = curPtrPtr.pointee
 
@@ -62,8 +62,7 @@ private func _RegexLiteralLexingFn(
 
   if let error = error {
     // Emit diagnostic if diagnostics are enabled.
-    if let bridged = bridgedDiagnosticEngine {
-      let diagEngine = DiagnosticEngine(bridged: bridged)
+    if let diagEngine = DiagnosticEngine(bridged: bridgedDiagnosticEngine) {
       let startLoc = SourceLoc(
         locationInFile: error.location.assumingMemoryBound(to: UInt8.self))!
       diagEngine.diagnose(startLoc, .foreign_diagnostic, error.message)
@@ -94,7 +93,7 @@ public func _RegexLiteralParsingFn(
   _ captureStructureOut: UnsafeMutableRawPointer,
   _ captureStructureSize: CUnsignedInt,
   _ bridgedDiagnosticBaseLoc: swift.SourceLoc,
-  _ bridgedDiagnosticEngine: swift.DiagnosticEngine
+  _ bridgedDiagnosticEngine: BridgedDiagnosticEngine
 ) -> Bool {
   let str = String(cString: inputPtr)
   let captureBuffer = UnsafeMutableRawBufferPointer(

include/swift/AST/ASTBridging.h

@@ -32,12 +32,22 @@ typedef enum ENUM_EXTENSIBILITY_ATTR(open) BridgedDiagID : uint32_t {
 #include "swift/AST/DiagnosticsAll.def"
 } BridgedDiagID;
 
+typedef struct {
+  void * _Nonnull object;
+} BridgedDiagnosticEngine;
+
+typedef struct {
+  void *_Nullable object;
+} BridgedOptionalDiagnosticEngine;
+
 // FIXME: Can we bridge InFlightDiagnostic?
-void DiagnosticEngine_diagnose(swift::DiagnosticEngine &, swift::SourceLoc loc,
+void DiagnosticEngine_diagnose(BridgedDiagnosticEngine, swift::SourceLoc loc,
                                BridgedDiagID diagID, BridgedArrayRef arguments,
                                swift::CharSourceRange highlight,
                                BridgedArrayRef fixIts);
 
+bool DiagnosticEngine_hadAnyError(BridgedDiagnosticEngine);
+
 using ArrayRefOfDiagnosticArgument = llvm::ArrayRef<swift::DiagnosticArgument>;
 
 SWIFT_END_NULLABILITY_ANNOTATIONS

include/swift/AST/BridgingUtils.h

@@ -0,0 +1,32 @@
+//===--- BridgingUtils.h - utilities for swift bridging -------------------===//
+//
+// This source file is part of the Swift.org open source project
+//
+// Copyright (c) 2022 Apple Inc. and the Swift project authors
+// Licensed under Apache License v2.0 with Runtime Library Exception
+//
+// See https://swift.org/LICENSE.txt for license information
+// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SWIFT_AST_BRIDGINGUTILS_H
+#define SWIFT_AST_BRIDGINGUTILS_H
+
+#include "swift/AST/ASTBridging.h"
+#include "swift/AST/DiagnosticEngine.h"
+
+namespace swift {
+
+inline BridgedDiagnosticEngine getBridgedDiagnosticEngine(DiagnosticEngine *D) {
+  return {(void *)D};
+}
+inline BridgedOptionalDiagnosticEngine
+getBridgedOptionalDiagnosticEngine(DiagnosticEngine *D) {
+  return {(void *)D};
+}
+
+} // namespace swift
+
+#endif
+

include/swift/AST/DiagnosticEngine.h

@@ -804,7 +804,7 @@ namespace swift {
 
   /// Class responsible for formatting diagnostics and presenting them
   /// to the user.
-  class SWIFT_IMPORT_REFERENCE DiagnosticEngine {
+  class DiagnosticEngine {
   public:
     /// The source manager used to interpret source locations and
     /// display diagnostics.

include/swift/Basic/Compiler.h

@@ -184,15 +184,6 @@
 #define SWIFT_VFORMAT(fmt)
 #endif
 
-// Tells Swift's ClangImporter to import a C++ type as a foreign reference type.
-#if __has_attribute(swift_attr)
-#define SWIFT_IMPORT_REFERENCE __attribute__((swift_attr("import_reference"))) \
-  __attribute__((swift_attr("retain:immortal")))                               \
-  __attribute__((swift_attr("release:immortal")))
-#else
-#define SWIFT_IMPORT_REFERENCE
-#endif
-
 #if __has_attribute(enum_extensibility)
 #define ENUM_EXTENSIBILITY_ATTR(arg) __attribute__((enum_extensibility(arg)))
 #else

include/swift/Parse/RegexParserBridging.h

@@ -27,16 +27,16 @@
 ///              past.
 /// - MustBeRegex: whether an error during lexing should be considered a regex
 ///                literal, or some thing else.
-/// - OptionalDiagnosticEngine: RegexLiteralLexingFn should diagnose the
-///                             token using this engine.
+/// - BridgedOptionalDiagnosticEngine: RegexLiteralLexingFn should diagnose the
+///                                    token using this engine.
 ///
 /// Returns: A bool indicating whether lexing was completely erroneous, and
 ///          cannot be recovered from, or false if there either was no error,
 ///          or there was a recoverable error.
 typedef bool (*RegexLiteralLexingFn)(
     /*CurPtrPtr*/ const char *_Nonnull *_Nonnull,
     /*BufferEnd*/ const char *_Nonnull,
-    /*MustBeRegex*/ bool, swift::DiagnosticEngine *_Nullable);
+    /*MustBeRegex*/ bool, BridgedOptionalDiagnosticEngine);
 void Parser_registerRegexLiteralLexingFn(RegexLiteralLexingFn _Nullable fn);
 
 /// Parse a regex literal string. Takes the following arguments:
@@ -48,16 +48,16 @@ void Parser_registerRegexLiteralLexingFn(RegexLiteralLexingFn _Nullable fn);
 /// - CaptureStructureSize: The size of the capture structure buffer. Must be
 ///                         greater than or equal to `strlen(InputPtr) + 3`.
 /// - DiagnosticBaseLoc: Start location of the regex literal.
-/// - DiagnosticEngine: RegexLiteralParsingFn should diagnose the
-///                     parsing errors using this engine.
+/// - BridgedDiagnosticEngine: RegexLiteralParsingFn should diagnose the
+///                            parsing errors using this engine.
 ///
 /// Returns: A bool value indicating if there was an error while parsing.
 typedef bool (*RegexLiteralParsingFn)(/*InputPtr*/ const char *_Nonnull,
                                       /*VersionOut*/ unsigned *_Nonnull,
                                       /*CaptureStructureOut*/ void *_Nonnull,
                                       /*CaptureStructureSize*/ unsigned,
                                       /*DiagnosticBaseLoc*/ swift::SourceLoc,
-                                      swift::DiagnosticEngine &);
+                                      BridgedDiagnosticEngine);
 void Parser_registerRegexLiteralParsingFn(RegexLiteralParsingFn _Nullable fn);
 
 #endif // REGEX_PARSER_BRIDGING

lib/AST/ASTBridging.cpp

@@ -17,18 +17,28 @@
 
 using namespace swift;
 
+namespace {
+/// BridgedDiagnosticEngine -> DiagnosticEngine *.
+DiagnosticEngine *getDiagnosticEngine(const BridgedDiagnosticEngine &bridged) {
+  return static_cast<DiagnosticEngine *>(bridged.object);
+}
+
+} // namespace
+
 void DiagnosticEngine_diagnose(
-    DiagnosticEngine &engine, SourceLoc loc, BridgedDiagID bridgedDiagID,
+    BridgedDiagnosticEngine bridgedEngine, SourceLoc loc,
+    BridgedDiagID bridgedDiagID,
     BridgedArrayRef /*DiagnosticArgument*/ bridgedArguments,
     CharSourceRange highlight,
     BridgedArrayRef /*DiagnosticInfo::FixIt*/ bridgedFixIts) {
+  auto *D = getDiagnosticEngine(bridgedEngine);
 
   auto diagID = static_cast<DiagID>(bridgedDiagID);
   SmallVector<DiagnosticArgument, 2> arguments;
   for (auto arg : getArrayRef<DiagnosticArgument>(bridgedArguments)) {
     arguments.push_back(arg);
   }
-  auto inflight = engine.diagnose(loc, diagID, arguments);
+  auto inflight = D->diagnose(loc, diagID, arguments);
 
   // Add highlight.
   if (highlight.isValid()) {
@@ -42,3 +52,8 @@ void DiagnosticEngine_diagnose(
     inflight.fixItReplaceChars(range.getStart(), range.getEnd(), text);
   }
 }
+
+bool DiagnosticEngine_hadAnyError(BridgedDiagnosticEngine bridgedEngine) {
+  auto *D = getDiagnosticEngine(bridgedEngine);
+  return D->hadAnyError();
+}

lib/ClangImporter/ImportDecl.cpp

@@ -2681,9 +2681,25 @@ namespace {
       if (!result)
         return nullptr;
 
-      if (auto classDecl = dyn_cast<ClassDecl>(result))
+      if (auto classDecl = dyn_cast<ClassDecl>(result)) {
         validateForeignReferenceType(decl, classDecl);
 
+        auto ctx = Impl.SwiftContext.getSwift58Availability();
+        if (!ctx.isAlwaysAvailable()) {
+          assert(ctx.getOSVersion().hasLowerEndpoint());
+          auto AvAttr = new (Impl.SwiftContext) AvailableAttr(
+              SourceLoc(), SourceRange(),
+              targetPlatform(Impl.SwiftContext.LangOpts), "", "",
+              /*RenameDecl=*/nullptr, ctx.getOSVersion().getLowerEndpoint(),
+              /*IntroducedRange=*/SourceRange(), {},
+              /*DeprecatedRange=*/SourceRange(), {},
+              /*ObsoletedRange=*/SourceRange(),
+              PlatformAgnosticAvailabilityKind::None, /*Implicit=*/false,
+              false);
+          classDecl->getAttrs().add(AvAttr);
+        }
+      }
+
       // If this module is declared as a C++ module, try to synthesize
       // conformances to Swift protocols from the Cxx module.
       auto clangModule = decl->getOwningModule();

lib/Parse/Lexer.cpp

@@ -15,6 +15,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "swift/Parse/Lexer.h"
+#include "swift/AST/BridgingUtils.h"
 #include "swift/AST/DiagnosticsParse.h"
 #include "swift/AST/Identifier.h"
 #include "swift/Basic/LangOptions.h"
@@ -2084,7 +2085,7 @@ const char *Lexer::tryScanRegexLiteral(const char *TokStart, bool MustBeRegex,
   //   recovered from.
   auto *Ptr = TokStart;
   CompletelyErroneous = regexLiteralLexingFn(
-      &Ptr, BufferEnd, MustBeRegex, Diags);
+      &Ptr, BufferEnd, MustBeRegex, getBridgedOptionalDiagnosticEngine(Diags));
 
   // If we didn't make any lexing progress, this isn't a regex literal and we
   // should fallback to lexing as something else.

lib/Parse/ParseRegex.cpp

@@ -14,6 +14,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "swift/AST/BridgingUtils.h"
+#include "swift/AST/DiagnosticsParse.h"
 #include "swift/Basic/BridgingUtils.h"
 #include "swift/Parse/Parser.h"
 
@@ -42,7 +44,8 @@ ParserResult<Expr> Parser::parseExprRegexLiteral() {
       regexLiteralParsingFn(regexText.str().c_str(), &version,
                             /*captureStructureOut*/ capturesBuf.data(),
                             /*captureStructureSize*/ capturesBuf.size(),
-                            /*diagBaseLoc*/ Tok.getLoc(), Diags);
+                            /*diagBaseLoc*/ Tok.getLoc(),
+                            getBridgedDiagnosticEngine(&Diags));
   auto loc = consumeToken();
   SourceMgr.recordRegexLiteralStartLoc(loc);
 

test/Interop/Cxx/foreign-reference/base-class-layout-irgen.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-emit-ir %s -I %S/Inputs -enable-experimental-cxx-interop -module-name=test  | %FileCheck %s
+// RUN: %target-swift-emit-ir %s -I %S/Inputs -enable-experimental-cxx-interop -module-name=test -disable-availability-checking  | %FileCheck %s
 
 import MemberLayout
 

test/Interop/Cxx/foreign-reference/move-only-irgen.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-emit-ir %s -I %S/Inputs -enable-experimental-cxx-interop -validate-tbd-against-ir=none -disable-llvm-verify -Xcc -fignore-exceptions | %FileCheck %s
+// RUN: %target-swift-emit-ir %s -I %S/Inputs -enable-experimental-cxx-interop -validate-tbd-against-ir=none -disable-llvm-verify -Xcc -fignore-exceptions -disable-availability-checking | %FileCheck %s
 //
 // XFAIL: OS=linux-android, OS=linux-androideabi
 

test/Interop/Cxx/foreign-reference/move-only-silgen.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-emit-silgen %s -I %S/Inputs -enable-experimental-cxx-interop | %FileCheck %s
+// RUN: %target-swift-emit-silgen %s -I %S/Inputs -enable-experimental-cxx-interop -disable-availability-checking | %FileCheck %s
 //
 // XFAIL: OS=linux-android, OS=linux-androideabi
 
@@ -30,6 +30,6 @@ public func test() {
   _ = x.test()
 }
 
-// CHECK-LABEL: sil [clang MoveOnly.create] @{{_ZN8MoveOnly6createEv|\?create\@MoveOnly\@\@SAPEAU1\@XZ}} : $@convention(c) () -> MoveOnly
+// CHECK-LABEL: sil{{ \[available .*\] | }}[clang MoveOnly.create] @{{_ZN8MoveOnly6createEv|\?create\@MoveOnly\@\@SAPEAU1\@XZ}} : $@convention(c) () -> MoveOnly
 
-// CHECK-LABEL: sil [clang MoveOnly.test] @{{_ZNK8MoveOnly4testEv|\?test\@MoveOnly\@\@QEBAHXZ}} : $@convention(cxx_method) (@in_guaranteed MoveOnly) -> Int32
+// CHECK-LABEL: sil{{ \[available .*\] | }}[clang MoveOnly.test] @{{_ZNK8MoveOnly4testEv|\?test\@MoveOnly\@\@QEBAHXZ}} : $@convention(cxx_method) (@in_guaranteed MoveOnly) -> Int32

test/Interop/Cxx/foreign-reference/move-only.swift

@@ -1,4 +1,4 @@
-// RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop -Xfrontend -validate-tbd-against-ir=none -Xfrontend -disable-llvm-verify)
+// RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop -Xfrontend -validate-tbd-against-ir=none -Xfrontend -disable-llvm-verify -Xfrontend -disable-availability-checking)
 //
 // REQUIRES: executable_test
 

test/Interop/Cxx/foreign-reference/nullable.swift

@@ -1,4 +1,4 @@
-// RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop -Xfrontend -validate-tbd-against-ir=none -Xfrontend -disable-llvm-verify -g)
+// RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop -Xfrontend -validate-tbd-against-ir=none -Xfrontend -disable-llvm-verify -g -Xfrontend -disable-availability-checking)
 //
 // REQUIRES: executable_test
 

test/Interop/Cxx/foreign-reference/pod-irgen.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-emit-ir %s -I %S/Inputs -enable-experimental-cxx-interop -validate-tbd-against-ir=none -disable-llvm-verify -Xcc -fignore-exceptions | %FileCheck %s
+// RUN: %target-swift-emit-ir %s -I %S/Inputs -enable-experimental-cxx-interop -validate-tbd-against-ir=none -disable-llvm-verify -Xcc -fignore-exceptions -disable-availability-checking | %FileCheck %s
 //
 // XFAIL: OS=linux-android, OS=linux-androideabi
 

test/Interop/Cxx/foreign-reference/pod-module-interface-macos.swift

@@ -0,0 +1,9 @@
+// RUN: %target-swift-ide-test -print-module -module-to-print=POD -I %S/Inputs -source-filename=x -enable-experimental-cxx-interop -target %target-arch-apple-macos11 | %FileCheck %s
+
+// REQUIRES: OS=macosx
+
+// CHECK: @available(macOS 13.3.0, *)
+// CHECK-NEXT: class Empty {
+
+// CHECK: @available(macOS 13.3.0, *)
+// CHECK-NEXT: class MultipleAttrs {

test/Interop/Cxx/foreign-reference/pod-silgen.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-emit-silgen %s -I %S/Inputs -enable-experimental-cxx-interop | %FileCheck %s
+// RUN: %target-swift-emit-silgen %s -I %S/Inputs -enable-experimental-cxx-interop -disable-availability-checking | %FileCheck %s
 //
 // XFAIL: OS=linux-android, OS=linux-androideabi
 
@@ -36,6 +36,6 @@ public func test() {
   _ = x.test()
 }
 
-// CHECK-LABEL: sil [clang IntPair.create] @{{_ZN7IntPair6createEv|\?create\@IntPair\@\@SAPEAU1\@XZ}} : $@convention(c) () -> IntPair
+// CHECK-LABEL: sil{{ \[available .*\] | }}[clang IntPair.create] @{{_ZN7IntPair6createEv|\?create\@IntPair\@\@SAPEAU1\@XZ}} : $@convention(c) () -> IntPair
 
-// CHECK-LABEL: sil [clang IntPair.test] @{{_ZNK7IntPair4testEv|\?test\@IntPair\@\@QEBAHXZ}} : $@convention(cxx_method) (@in_guaranteed IntPair) -> Int32
+// CHECK-LABEL: sil{{ \[available .*\] | }}[clang IntPair.test] @{{_ZNK7IntPair4testEv|\?test\@IntPair\@\@QEBAHXZ}} : $@convention(cxx_method) (@in_guaranteed IntPair) -> Int32

test/Interop/Cxx/foreign-reference/pod.swift

@@ -1,4 +1,4 @@
-// RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop -Xfrontend -validate-tbd-against-ir=none -Xfrontend -disable-llvm-verify -g)
+// RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop -Xfrontend -validate-tbd-against-ir=none -Xfrontend -disable-llvm-verify -g -Xfrontend -disable-availability-checking)
 //
 // REQUIRES: executable_test
 // XFAIL: OS=windows-msvc

test/Interop/Cxx/foreign-reference/reference-counted-silgen.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-emit-silgen %s -I %S/Inputs -enable-experimental-cxx-interop | %FileCheck %s
+// RUN: %target-swift-emit-silgen %s -I %S/Inputs -enable-experimental-cxx-interop -disable-availability-checking | %FileCheck %s
 //
 // XFAIL: OS=linux-android, OS=linux-androideabi
 

test/Interop/Cxx/foreign-reference/singleton-irgen.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-emit-ir %s -I %S/Inputs -enable-experimental-cxx-interop -validate-tbd-against-ir=none -disable-llvm-verify -Xcc -fignore-exceptions | %FileCheck %s
+// RUN: %target-swift-emit-ir %s -I %S/Inputs -enable-experimental-cxx-interop -validate-tbd-against-ir=none -disable-llvm-verify -Xcc -fignore-exceptions -disable-availability-checking | %FileCheck %s
 //
 // XFAIL: OS=linux-android, OS=linux-androideabi
 

test/Interop/Cxx/foreign-reference/singleton-silgen.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-emit-silgen %s -I %S/Inputs -enable-experimental-cxx-interop | %FileCheck %s
+// RUN: %target-swift-emit-silgen %s -I %S/Inputs -enable-experimental-cxx-interop -disable-availability-checking | %FileCheck %s
 //
 // XFAIL: OS=linux-android, OS=linux-androideabi
 
@@ -36,8 +36,8 @@ public func test() {
   mutateIt(x)
 }
 
-// CHECK-LABEL: sil [clang DeletedSpecialMembers.create] @{{_ZN21DeletedSpecialMembers6createEv|\?create\@DeletedSpecialMembers\@\@SAPEAU1\@XZ}} : $@convention(c) () -> DeletedSpecialMembers
+// CHECK-LABEL: sil{{ \[available .*\] | }}[clang DeletedSpecialMembers.create] @{{_ZN21DeletedSpecialMembers6createEv|\?create\@DeletedSpecialMembers\@\@SAPEAU1\@XZ}} : $@convention(c) () -> DeletedSpecialMembers
 
-// CHECK-LABEL: sil [clang DeletedSpecialMembers.test] @{{_ZNK21DeletedSpecialMembers4testEv|\?test\@DeletedSpecialMembers\@\@QEBAHXZ}} : $@convention(cxx_method) (@in_guaranteed DeletedSpecialMembers) -> Int32
+// CHECK-LABEL: sil{{ \[available .*\] | }}[clang DeletedSpecialMembers.test] @{{_ZNK21DeletedSpecialMembers4testEv|\?test\@DeletedSpecialMembers\@\@QEBAHXZ}} : $@convention(cxx_method) (@in_guaranteed DeletedSpecialMembers) -> Int32
 
-// CHECK-LABEL: sil [serialized] [clang mutateIt] @{{_Z8mutateItR21DeletedSpecialMembers|\?mutateIt\@\@YAXAEAUDeletedSpecialMembers\@\@\@Z}} : $@convention(c) (DeletedSpecialMembers) -> ()
+// CHECK-LABEL: sil{{ \[available .*\] | }}[serialized] [clang mutateIt] @{{_Z8mutateItR21DeletedSpecialMembers|\?mutateIt\@\@YAXAEAUDeletedSpecialMembers\@\@\@Z}} : $@convention(c) (DeletedSpecialMembers) -> ()

test/Interop/Cxx/foreign-reference/singleton.swift

@@ -1,4 +1,4 @@
-// RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop -Xfrontend -validate-tbd-against-ir=none -Xfrontend -disable-llvm-verify)
+// RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop -Xfrontend -validate-tbd-against-ir=none -Xfrontend -disable-llvm-verify -Xfrontend -disable-availability-checking)
 //
 // REQUIRES: executable_test
 

test/Interop/Cxx/foreign-reference/unimportable-member-layout-irgen.swift

@@ -1,4 +1,4 @@
-// RUN: %target-swift-emit-ir %s -I %S/Inputs -enable-experimental-cxx-interop -module-name=test | %FileCheck %s
+// RUN: %target-swift-emit-ir %s -I %S/Inputs -enable-experimental-cxx-interop -module-name=test -disable-availability-checking | %FileCheck %s
 
 import MemberLayout