Merge pull request #68202 from nate-chandler/wrangle/20230829/2

[Test] Mark three tests unsupported on use_os_stdlib.

Author: swift-ci

test/Interpreter/layout_string_witnesses_dynamic.swift

@@ -10,6 +10,8 @@
 
 // REQUIRES: executable_test
 
+// Requires runtime functions added in Swift 5.9.
+// UNSUPPORTED: use_os_stdlib
 // UNSUPPORTED: back_deployment_runtime
 
 import Swift

test/Interpreter/layout_string_witnesses_objc.swift

@@ -11,6 +11,9 @@
 // REQUIRES: executable_test
 // REQUIRES: objc_interop
 
+// Requires runtime functions added in Swift 5.9.
+// UNSUPPORTED: use_os_stdlib
+
 import Swift
 import layout_string_witnesses_types
 import ObjCClasses

test/Interpreter/layout_string_witnesses_static.swift

@@ -12,6 +12,8 @@
 
 // REQUIRES: executable_test
 
+// Requires runtime functions added in Swift 5.9.
+// UNSUPPORTED: use_os_stdlib
 // UNSUPPORTED: back_deployment_runtime
 
 import Swift