Merge pull request #32804 from nate-chandler/rdar64298096

Author: swift-ci

test/attr/attr_originally_definedin_backward_compatibility.swift

@@ -1,6 +1,8 @@
 // REQUIRES: executable_test
 // REQUIRES: OS=macosx || OS=ios
 // UNSUPPORTED: DARWIN_SIMULATOR=ios
+// rdar://problem/64298096
+// XFAIL: OS=ios && CPU=arm64
 //
 // RUN: %empty-directory(%t)
 //