Remove the IA-64 backend.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76920 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/FrontendC++/2006-11-06-StackTrace.cpp b/test/FrontendC++/2006-11-06-StackTrace.cpp
index f6a4428..6dcbc4d 100644
--- a/test/FrontendC++/2006-11-06-StackTrace.cpp
+++ b/test/FrontendC++/2006-11-06-StackTrace.cpp
@@ -11,7 +11,7 @@
 // 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|arm
 
 #include <stdlib.h>