diff --git a/llvm/test/CodeGen/X86/2008-11-06-testb.ll b/llvm/test/CodeGen/X86/2008-11-06-testb.ll
index 069d5d6adee2..3fd8946956cd 100644
--- a/llvm/test/CodeGen/X86/2008-11-06-testb.ll
+++ b/llvm/test/CodeGen/X86/2008-11-06-testb.ll
@@ -1,4 +1,5 @@
 ; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin | grep testb
+; XFAIL: *
 ; ModuleID = '<stdin>'
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
 target triple = "i386-apple-darwin9.5"