[cxx-interop] Disable test with an older runtime

test/Interop/Cxx/class/Inputs/simple-structs.h

@@ -52,38 +52,4 @@ struct Outer {
   Outer() : privStruct(1, 2, 3, 4, 5, 6), publStruct(7, 8, 9, 10, 11, 12) {}
 };
 
-struct ImmortalFRT {
-private:
-  int priv = 1;
-
-public:
-  int publ = 2;
-} __attribute__((swift_attr("import_reference")))
-__attribute__((swift_attr("retain:immortal")))
-__attribute__((swift_attr("release:immortal")));
-
-struct FRTCustomStringConvertible {
-public:
-private:
-  int priv = 1;
-
-public:
-  int publ = 2;
-} __attribute__((swift_attr("import_reference")))
-__attribute__((swift_attr("retain:immortal")))
-__attribute__((swift_attr("release:immortal")));
-
-struct FRType {
-private:
-  int priv = 1;
-
-public:
-  int publ = 2;
-} __attribute__((swift_attr("import_reference")))
-__attribute__((swift_attr("retain:retain")))
-__attribute__((swift_attr("release:release")));
-
-void retain(FRType *v) {};
-void release(FRType *v) {};
-
 #endif

test/Interop/Cxx/class/print-simple-structs.swift

@@ -1,8 +1,6 @@
-// RUN: %target-run-simple-swift(-cxx-interoperability-mode=default -Xfrontend -disable-availability-checking -I %S/Inputs) | %FileCheck %s
+// RUN: %target-run-simple-swift(-cxx-interoperability-mode=default -I %S/Inputs) | %FileCheck %s
 
 // REQUIRES: executable_test
-// Metadata for foreign reference types is not supported on Windows.
-// UNSUPPORTED: OS=windows-msvc
 
 import SimpleStructs
 
@@ -26,28 +24,6 @@ func printCxxStructNested() {
     print(s)
 }
 
-func printCxxImmortalFRT() {
-    let s = ImmortalFRT()
-    print(s)
-}
-
-extension FRTCustomStringConvertible : CustomStringConvertible {
-    public var description: String {
-        return "FRTCustomStringConvertible(publ: \(publ))"
-    }
-}
-
-func printCxxFRTCustomStringConvertible() {
-    let s = FRTCustomStringConvertible()
-    print(s)
-}
-
-func printCxxFRType() {
-    let s = FRType()
-    print(s)
-}
-
-
 printCxxStructPrivateFields() 
 // CHECK: HasPrivateFieldsOnly()
 
@@ -59,12 +35,3 @@ printCxxStructPrivatePublicProtectedFields()
 
 printCxxStructNested()
 // CHECK: Outer(publStruct: {{.*}}.HasPrivatePublicProtectedFields(publ1: 8, publ2: 12))
-
-printCxxImmortalFRT()
-// CHECK: ImmortalFRT()
-
-printCxxFRTCustomStringConvertible()
-// CHECK: FRTCustomStringConvertible(publ: 2)
-
-printCxxFRType()
-// CHECK: FRType()

test/Interop/Cxx/foreign-reference/Inputs/module.modulemap

@@ -63,3 +63,8 @@ module FunctionsAndMethodsReturningFRT {
   header "cxx-functions-and-methods-returning-frt.h"
   requires cplusplus
 }
+
+module Printed {
+  header "printed.h"
+  requires cplusplus
+}

test/Interop/Cxx/foreign-reference/Inputs/printed.h

@@ -0,0 +1,34 @@
+struct ImmortalFRT {
+private:
+  int priv = 1;
+
+public:
+  int publ = 2;
+} __attribute__((swift_attr("import_reference")))
+__attribute__((swift_attr("retain:immortal")))
+__attribute__((swift_attr("release:immortal")));
+
+struct FRTCustomStringConvertible {
+public:
+private:
+  int priv = 1;
+
+public:
+  int publ = 2;
+} __attribute__((swift_attr("import_reference")))
+__attribute__((swift_attr("retain:immortal")))
+__attribute__((swift_attr("release:immortal")));
+
+struct FRType {
+private:
+  int priv = 1;
+
+public:
+  int publ = 2;
+} __attribute__((swift_attr("import_reference")))
+__attribute__((swift_attr("retain:retain")))
+__attribute__((swift_attr("release:release")));
+
+void retain(FRType *v) {};
+void release(FRType *v) {};
+

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

@@ -0,0 +1,42 @@
+// RUN: %target-run-simple-swift(-cxx-interoperability-mode=default -Xfrontend -disable-availability-checking -I %S/Inputs) | %FileCheck %s
+
+// REQUIRES: executable_test
+
+// Metadata for foreign reference types is not supported on Windows.
+// UNSUPPORTED: OS=windows-msvc
+
+// Temporarily disable when running with an older runtime (rdar://153205860)
+// UNSUPPORTED: use_os_stdlib
+// UNSUPPORTED: back_deployment_runtime
+
+import Printed
+
+func printCxxImmortalFRT() {
+    let s = ImmortalFRT()
+    print(s)
+}
+
+extension FRTCustomStringConvertible : CustomStringConvertible {
+    public var description: String {
+        return "FRTCustomStringConvertible(publ: \(publ))"
+    }
+}
+
+func printCxxFRTCustomStringConvertible() {
+    let s = FRTCustomStringConvertible()
+    print(s)
+}
+
+func printCxxFRType() {
+    let s = FRType()
+    print(s)
+}
+
+printCxxImmortalFRT()
+// CHECK: ImmortalFRT()
+
+printCxxFRTCustomStringConvertible()
+// CHECK: FRTCustomStringConvertible(publ: 2)
+
+printCxxFRType()
+// CHECK: FRType()