Add a radar for the XFAIL

aschwaighofer · aschwaighofer · commit a4aad8015617 · 2017-10-06T14:09:39.000-07:00
diff --git a/test/stdlib/StringMemoryTest.swift b/test/stdlib/StringMemoryTest.swift
@@ -7,6 +7,7 @@
 // REQUIRES: objc_interop
 
 // The autorelease return optimizaion seems to be failing in the simulator.
+// rdar://34863458
 // XFAIL: CPU=i386
 
 import Foundation
