1 files changed, 120 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/using-decl-1.cpp b/clang/test/SemaCXX/using-decl-1.cpp
new file mode 100644
index 0000000..ebe97f6
--- /dev/null
+++ b/clang/test/SemaCXX/using-decl-1.cpp
@@ -0,0 +1,120 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+extern "C" { void f(bool); }
+
+namespace std {
+  using ::f;
+  inline void f() { return f(true); }
+}
+
+namespace M {
+  void f(float);
+}
+
+namespace N {
+  using M::f;
+  void f(int) { } // expected-note{{previous}}
+  
+  void f(int) { } // expected-error{{redefinition}}
+}
+
+namespace N {
+  void f(double);
+  void f(long);
+}
+
+struct X0 {
+  void operator()(int);
+  void operator()(long);
+};
+
+struct X1 : X0 {
+  // FIXME: give this operator() a 'float' parameter to test overloading
+  // behavior. It currently fails.
+  void operator()();
+  using X0::operator();
+  
+  void test() {
+    (*this)(1);
+  }
+};
+
+struct A { void f(); };
+struct B : A { };
+class C : B { using B::f; };
+
+// PR5751: Resolve overloaded functions through using decls.
+namespace O {
+  void f(int i);
+  void f(double d);
+}
+namespace P {
+  void f();
+  void g(void (*ptr)(int));
+  using O::f;
+  void test() {
+    f();
+    f(1);
+    void (*f_ptr1)(double) = f;
+    void (*f_ptr2)() = f;
+    g(f);
+  }
+}
+
+// Make sure that ADL can find names brought in by using decls.
+namespace test0 {
+  namespace ns {
+    class Foo {};
+    
+    namespace inner {
+      void foo(char *); // expected-note {{no known conversion}} 
+    }
+
+    using inner::foo;
+  }
+
+  void test(ns::Foo *p) {
+    foo(*p); // expected-error {{no matching function for call to 'foo'}}
+  }
+}
+
+// Redeclarations!
+namespace test1 {
+  namespace ns0 { struct Foo {}; }
+  namespace A { void foo(ns0::Foo *p, int y, int z); }
+  namespace ns2 { using A::foo; }
+  namespace ns1 { struct Bar : ns0::Foo {}; }
+  namespace A { void foo(ns0::Foo *p, int y, int z = 0); } // expected-note {{candidate}}
+  namespace ns1 { using A::foo; }
+  namespace ns2 { struct Baz : ns1::Bar {}; }
+  namespace A { void foo(ns0::Foo *p, int y = 0, int z); }
+
+  void test(ns2::Baz *p) {
+    foo(p, 0, 0); // okay!
+    foo(p, 0); // should be fine!
+    foo(p); // expected-error {{no matching function}}
+  }
+}
+
+namespace test2 {
+  namespace ns { int foo; }
+  template <class T> using ns::foo; // expected-error {{cannot template a using declaration}}
+
+  // PR8022
+  struct A {
+    template <typename T> void f(T);
+  };
+  class B : A {
+    template <typename T> using A::f<T>; // expected-error {{cannot template a using declaration}}
+  };
+}
+
+// PR8756
+namespace foo
+{
+  class Class1; // expected-note{{forward declaration}}
+  class Class2
+  {
+    using ::foo::Class1::Function; // expected-error{{incomplete type 'foo::Class1' named in nested name specifier}}
+  };
+}