1 files changed, 110 insertions, 0 deletions
diff --git a/clang/test/CXX/dcl.dcl/basic.namespace/namespace.udecl/p1.cpp b/clang/test/CXX/dcl.dcl/basic.namespace/namespace.udecl/p1.cpp
new file mode 100644
index 0000000..bf30ee7
--- /dev/null
+++ b/clang/test/CXX/dcl.dcl/basic.namespace/namespace.udecl/p1.cpp
@@ -0,0 +1,110 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// We have to avoid ADL for this test.
+
+template <unsigned N> class test {};
+
+class foo {};	// expected-note {{candidate}}
+test<0> foo(foo); // expected-note {{candidate}}
+
+namespace Test0 {
+  class foo { int x; };
+  test<1> foo(class foo);
+
+  namespace A {
+    test<2> foo(class ::foo); // expected-note {{candidate}} \
+    // expected-note{{passing argument to parameter here}}
+
+    void test0() {
+      using ::foo;
+
+      class foo a;
+      test<0> _ = (foo)(a);
+    }
+
+    void test1() {
+      using Test0::foo;
+
+      class foo a;
+      test<1> _ = (foo)(a);
+    };
+
+    void test2() {
+      class ::foo a;
+      
+      // Argument-dependent lookup is ambiguous between B:: and ::.
+      test<0> _0 = foo(a); // expected-error {{call to 'foo' is ambiguous}}
+
+      // But basic unqualified lookup is not.
+      test<2> _1 = (foo)(a);
+
+      class Test0::foo b;
+      test<2> _2 = (foo)(b); // expected-error {{no viable conversion from 'class Test0::foo' to 'class ::foo'}}
+    }
+  }
+}
+
+namespace Test1 {
+  namespace A {
+    class a {};
+  }
+
+  namespace B {
+    typedef class {} b;
+  }
+
+  namespace C {
+    int c(); // expected-note {{target of using declaration}}
+  }
+
+  namespace D {
+    using typename A::a;
+    using typename B::b;
+    using typename C::c; // expected-error {{'typename' keyword used on a non-type}}
+
+    a _1 = A::a();
+    b _2 = B::b();
+  }
+}
+
+namespace test2 {
+  class A {
+  protected:
+    operator int();
+    operator bool();
+  };
+
+  class B : private A {
+  protected:
+    using A::operator int; // expected-note {{declared protected here}}
+  public:
+    using A::operator bool;
+  };
+
+  int test() {
+    bool b = B();
+    return B(); // expected-error {{'operator int' is a protected member of 'test2::B'}}
+  }
+}
+
+namespace test3 {
+  class A {
+  public:
+    ~A();
+  };
+
+  class B {
+    friend class C;
+  private:
+    operator A*();
+  };
+
+  class C : public B {
+  public:
+    using B::operator A*;
+  };
+
+  void test() {
+    delete C();
+  }
+}