XFAIL on Linux.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61176 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/FrontendC++/2006-11-06-StackTrace.cpp b/test/FrontendC++/2006-11-06-StackTrace.cpp
index 55b34ad..9d2fda3 100644
--- a/test/FrontendC++/2006-11-06-StackTrace.cpp
+++ b/test/FrontendC++/2006-11-06-StackTrace.cpp
@@ -10,7 +10,7 @@
 // RUN:   grep {#7  0x.* in main.*(argc=\[12\],.*argv=.*)}
 
 // Only works on ppc, x86 and x86_64.  Should generalize?
-// XFAIL: alpha|ia64|arm
+// XFAIL: alpha|ia64|arm|linux
 
 #include <stdlib.h>