1 files changed, 57 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/namespace.cpp b/clang/test/SemaCXX/namespace.cpp
new file mode 100644
index 00000000000..62251d3535e
--- /dev/null
+++ b/clang/test/SemaCXX/namespace.cpp
@@ -0,0 +1,57 @@
+// RUN: clang -fsyntax-only -verify %s 
+namespace A { // expected-error {{error: previous definition is here}}
+  int A;
+  void f() { A = 0; }
+}
+
+void f() { A = 0; } // expected-error {{error: unexpected namespace name 'A': expected expression}}
+int A; // expected-error {{error: redefinition of 'A' as different kind of symbol}}
+class A; // expected-error {{error: redefinition of 'A' as different kind of symbol}}
+
+class B {}; // expected-error {{error: previous definition is here}}
+namespace B {} // expected-error {{error: redefinition of 'B' as different kind of symbol}}
+
+void C(); // expected-error {{error: previous definition is here}}
+namespace C {} // expected-error {{error: redefinition of 'C' as different kind of symbol}}
+
+namespace D {
+  class D {};
+}
+
+namespace S1 {
+  int x;
+
+  namespace S2 {
+
+    namespace S3 {
+      B x;
+    }
+  }
+}
+
+namespace S1 {
+  void f() {
+    x = 0;
+  }
+
+  namespace S2 {
+    
+    namespace S3 {
+      void f() {
+        x = 0; // expected-error {{error: incompatible type assigning 'int', expected 'class B'}}
+      }
+    }
+
+    int y;
+  }
+}
+
+namespace S1 {
+  namespace S2 {
+    namespace S3 {
+      void f3() {
+        y = 0;
+      }
+    }
+  }
+}