[test] Disable witness-table.swift for arm64e

hamishknight · hamishknight · commit 3a6f4e04a8c7 · 2024-05-28T21:56:29.000+01:00
diff --git a/test/Interop/Cxx/foreign-reference/witness-table.swift b/test/Interop/Cxx/foreign-reference/witness-table.swift
@@ -3,6 +3,9 @@
 // REQUIRES: executable_test
 // XFAIL: OS=windows-msvc
 
+// Temporarily disable on arm64e (rdar://128681577)
+// UNSUPPORTED: CPU=arm64e
+
 import StdlibUnittest
 import WitnessTable
 
