add PCH support for a bunch of C++ Decls, patch by
Andrew Sutton!

llvm-svn: 103301
diff --git a/clang/test/SemaCXX/namespace-alias.cpp b/clang/test/SemaCXX/namespace-alias.cpp
index 1c3da3c..52cae2e 100644
--- a/clang/test/SemaCXX/namespace-alias.cpp
+++ b/clang/test/SemaCXX/namespace-alias.cpp
@@ -84,6 +84,26 @@
   }
 }
 
+namespace {
+  class C1;
+}
+namespace {
+  class C1;
+}
+C1 *pc1 = 0;
+
+namespace N {
+  namespace {
+    class C2;
+  }
+}
+namespace N {
+  namespace {
+    class C2;
+  }
+}
+N::C2 *pc2 = 0;
+
 // PR6341
 namespace A = N;
 namespace N { }