Add a DR437 testcase, but disable it for now, since it fails.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84345 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/exception-spec.cpp b/test/SemaCXX/exception-spec.cpp
index 9b2a07d..56cc435 100644
--- a/test/SemaCXX/exception-spec.cpp
+++ b/test/SemaCXX/exception-spec.cpp
@@ -185,3 +185,6 @@
 template <typename T> struct TEx; // expected-note {{template is declared here}}
 
 void tf() throw(TEx<int>); // expected-error {{implicit instantiation of undefined template}}
+
+// DR 437, class throws itself. FIXME: See Sema::CheckSpecifiedExceptionType.
+//struct DR437 { void f() throw(DR437); };