Merge pull request swiftlang#74293 from apple/egorzhdan/6.0-old-runtime-test

🍒[cxx-interop] Only run tests for reference types against a recent Swift runtime

Author: shahmishal

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

@@ -4,8 +4,9 @@
 // REQUIRES: executable_test
 // XFAIL: OS=windows-msvc
 
-// Temporarily disable on arm64e (rdar://128681137)
-// UNSUPPORTED: CPU=arm64e
+// Temporarily disable when running with an older runtime (rdar://128681137)
+// UNSUPPORTED: use_os_stdlib
+// UNSUPPORTED: back_deployment_runtime
 
 import StdlibUnittest
 import ReferenceCounted