Don't provide errors for anonymous unions when they're actually anonymous classes.

llvm-svn: 142551
diff --git a/clang/test/SemaCXX/anonymous-struct.cpp b/clang/test/SemaCXX/anonymous-struct.cpp
index dfa284a..19a88d7 100644
--- a/clang/test/SemaCXX/anonymous-struct.cpp
+++ b/clang/test/SemaCXX/anonymous-struct.cpp
@@ -4,8 +4,13 @@
   S();  // expected-note {{because type 'S' has a user-declared constructor}}    
 };
 
+struct { // expected-error {{anonymous structs and classes must be class members}}
+};
+
 struct E {
   struct {
     S x;  // expected-error {{anonymous struct member 'x' has a non-trivial constructor}} 
   };
+  static struct {
+  };
 };