[test] Disable variadic_generic_opaque_type.swift for back deployment

hamishknight · hamishknight · commit 76be2fc694b0 · 2024-12-16T14:05:00.000Z
rdar://139913681
diff --git a/test/Interpreter/variadic_generic_opaque_type.swift b/test/Interpreter/variadic_generic_opaque_type.swift
@@ -10,6 +10,9 @@
 
 // REQUIRES: executable_test
 
+// This test needs a Swift 5.9 runtime or newer.
+// UNSUPPORTED: back_deployment_runtime
+
 import variadic_generic_opaque_type_other
 import StdlibUnittest
 
