1 files changed, 38 insertions, 0 deletions
diff --git a/test/Misc/diag-aka-types.cpp b/test/Misc/diag-aka-types.cpp
index e0e6b8c7c7af..042c70b18a75 100644
--- a/test/Misc/diag-aka-types.cpp
+++ b/test/Misc/diag-aka-types.cpp
@@ -12,3 +12,41 @@ char c2 = ref; // expected-error{{'const foo_t' (aka 'const X')}}
 // deduced auto should not produce an aka.
 auto aut = X();
 char c3 = aut; // expected-error{{from 'X' to 'char'}}
+
+// There are two classes named Foo::foo here.  Make sure the message gives
+// a way to them apart.
+namespace Foo {
+  class foo {};
+}
+
+namespace bar {
+  namespace Foo {
+    class foo;
+  }
+  void f(Foo::foo* x);  // expected-note{{passing argument to parameter 'x' here}}
+}
+
+void test(Foo::foo* x) {
+  bar::f(x); // expected-error{{cannot initialize a parameter of type 'Foo::foo *' (aka 'bar::Foo::foo *') with an lvalue of type 'Foo::foo *')}}
+}
+
+// PR9548 - "no known conversion from 'vector<string>' to 'vector<string>'"
+// vector<string> refers to two different types here.  Make sure the message
+// gives a way to tell them apart.
+class versa_string;
+typedef versa_string string;
+
+namespace std {template <typename T> class vector;}
+using std::vector;
+
+void f(vector<string> v);  // expected-note {{candidate function not viable: no known conversion from 'vector<string>' (aka 'std::vector<std::basic_string>') to 'vector<string>' (aka 'std::vector<versa_string>') for 1st argument}}
+
+namespace std {
+  class basic_string;
+  typedef basic_string string;
+  template <typename T> class vector {};
+  void g() {
+    vector<string> v;
+    f(v);  // expected-error{{no matching function for call to 'f'}}
+  }
+}