diff --git a/test/CodeGen/X86/aligned-comm.ll b/test/CodeGen/X86/aligned-comm.ll
index 10c68d82750..ef1e111836d 100644
--- a/test/CodeGen/X86/aligned-comm.ll
+++ b/test/CodeGen/X86/aligned-comm.ll
@@ -2,6 +2,9 @@
 ; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin10 | grep {array,16512,7}
 ; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin9 | grep {array,16512,7}
 ; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin8 | not grep {7}
+; XFAIL: *
+
+; Currently there is no construct which generates .comm, so test is xfail'ed.
 
 ; Darwin 9+ should get alignment on common symbols.  Darwin8 does 
 ; not support this.