1 files changed, 16 insertions, 0 deletions
diff --git a/clang/test/SemaTemplate/qualified-names-diag.cpp b/clang/test/SemaTemplate/qualified-names-diag.cpp
new file mode 100644
index 00000000000..02bdf16b2ba
--- /dev/null
+++ b/clang/test/SemaTemplate/qualified-names-diag.cpp
@@ -0,0 +1,16 @@
+// RUN: clang -fsyntax-only -verify %s
+
+namespace std {
+  template<typename T> class vector { };
+}
+
+typedef int INT;
+typedef float Real;
+
+void test() {
+  using namespace std;
+
+  std::vector<INT> v1;
+  vector<Real> v2;
+  v1 = v2; // expected-error{{incompatible type assigning 'vector<Real>' (aka 'class vector<float>'), expected 'std::vector<INT>' (aka 'class vector<int>')}}
+}