diff --git a/test/FrontendC++/2009-07-16-PrivateCopyConstructor.cpp b/test/FrontendC++/2009-07-16-PrivateCopyConstructor.cpp
index 6003a253378..96e85b24767 100644
--- a/test/FrontendC++/2009-07-16-PrivateCopyConstructor.cpp
+++ b/test/FrontendC++/2009-07-16-PrivateCopyConstructor.cpp
@@ -1,4 +1,5 @@
 // RUN: %llvmgxx %s -S
+// XFAIL: darwin
 
 #include <set>