XFAIL this on windows where <vector> contains surprises.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127559 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/iterators.cpp b/test/Analysis/iterators.cpp
index 21d108b..240a8bc 100644
--- a/test/Analysis/iterators.cpp
+++ b/test/Analysis/iterators.cpp
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -analyze -analyzer-checker=core,core.experimental.Iterators -verify %s
+// XFAIL: win32
 
 #include <vector>