When deserializing an anonymous namespace from a module, do not attach
the anonymous namespace to its parent. Semantically, this means that
the anonymous namespaces defined in one module are distinct from the
anonymous namespaces defined in another module.

llvm-svn: 147782
diff --git a/clang/test/Modules/Inputs/namespaces-left.h b/clang/test/Modules/Inputs/namespaces-left.h
index ea2ae2b..7e9002a 100644
--- a/clang/test/Modules/Inputs/namespaces-left.h
+++ b/clang/test/Modules/Inputs/namespaces-left.h
@@ -37,3 +37,17 @@
 namespace N10 {
   int &f(int);
 }
+
+namespace N11 {
+  namespace {
+    class Foo;
+  }
+  Foo *getFoo();
+}
+
+namespace N12 {
+  namespace {
+    class Foo;
+  }
+  Foo *getFoo();
+}