1 files changed, 19 insertions, 1 deletions
diff --git a/clang/test/CXX/dcl.dcl/basic.namespace/namespace.def/namespace.unnamed/p1.cpp b/clang/test/CXX/dcl.dcl/basic.namespace/namespace.def/namespace.unnamed/p1.cpp
index 09f291c4dd5..b4ec585e48e 100644
--- a/clang/test/CXX/dcl.dcl/basic.namespace/namespace.def/namespace.unnamed/p1.cpp
+++ b/clang/test/CXX/dcl.dcl/basic.namespace/namespace.def/namespace.unnamed/p1.cpp
@@ -1,7 +1,6 @@
 // RUN: %clang_cc1 -emit-llvm-only -verify %s
 
 // This lame little test was ripped straight from the standard.
-
 namespace {
   int i; // expected-note {{candidate}}
 }
@@ -22,3 +21,22 @@ void test2() {
   A::i++;
   j++;
 }
+
+
+// Test that all anonymous namespaces in a translation unit are
+// considered the same context.
+namespace {
+  class Test3 {}; // expected-note {{previous definition}}
+}
+namespace {
+  class Test3 {}; // expected-error {{redefinition of 'Test3'}}
+}
+
+namespace test4 {
+  namespace {
+    class Test4 {}; // expected-note {{previous definition}}
+  }
+  namespace {
+    class Test4 {}; // expected-error {{redefinition of 'Test4'}}
+  }
+}